Slider crank mechanism solidworksmunkák

Udvozlom, mi Ujzelandon elo hajoepitok vagyunk es keresunk valakit aki solidworks os designebol tud programot irni a 4 tengelyes cnchez. Koszonettel, Laci

szia kolléga :) egy kis segíségre lenne szükségem solidworks tárgyból, tudunk egyeztetni?

...saját CMS-el. Ritkábban, apróbb egyedi fejlesztésű oldalak. Konkrétan a három feladat dominálna: - Bootstrap alapú sablon oldal létrehozása (ollózás), amelyre saját CMS integrálása (a CMS egy megvett, rendezett kódú, keveset tudó CMS), publikálás (heti 1-2 ilyen lenne) - PSD-ből sitebuild, alá szintén a CMS (2 hetente 1 ilyen lenne, 1 oldalas rendezett PSD, általában 1-2 javascriptel mint slider) - egyéb (photoshop alap ismeretnél, sablon alapú szerkesztések, mint pl. szórólap) Óradíj, vagy project alap, megegyezünk, legfontosabb, hogy ne csak 2-...

...interaktív térkép adja az aktivitást. Az oldal főoldalán lenne egy gigapixeles kép szolnokról, rajta poi-k a régebbi és a tervezett fejlesztésekről (számoljunk 30 db-bal) – ez tulajdonképpen egy interaktív térképként funkcionál - eredetileg ez tetszett az ügyfélnek: , de sztem meg tudnánk győzni, h ennél csak szebb van. Az adott poi-ra kattintva jobbról bejönne egy slider az adott fejlesztés infóival és a róla készített videóval minden ilyen fejlesztés slidernél van egy tovább/bővebben gomb, ahonnan az adott fejlesztés saját kis o...

Hi, I'm Courtney Cunningham from Ride Candy. I'm looking for a proficient web developer to help enhance our website's Slingshot rental return process. - **Interactive Elements**: I require a chatbot for customer support, an interactive map for locating rental return locations, and an animated slider for showcasing our Slingshot models. These elements will make our site more dynamic and customer-friendly. - **UI Improvements**: I'm open to your suggestions on how to improve the user interface. This could involve optimizing the navigation menu, ensuring consistent branding elements throughout the website, and enhancing the overall visual design and aesthetics. - **SEO Optimization**: While I haven't provided specific requirements for SEO, any suggestions or...

...two copies of my current homepage, each with a unique design for the slider hero section and third one is little customization. All images and text required for the new designs are ready for use. Work on Any desk Key Requirements: - Replicate homepage: Make two new copies of the current homepage. - Slider Hero Section: Completely redesign the slider hero section on each of the new copies. - Content Ready: Utilize the images and text already prepared for the slider hero section redesign. - Sections: The new homepage design should include two sections. Ideal Skills and Experience: - Proficiency in web development, particularly with homepage design. - Strong creative and design skills to create unique and appealing slider hero sections. - Experience wor...

I need a solution that can detect when the height of an HTML div exceeds a certain limit, and automatically renders the overflowing content in a separate div. This is crucial as it helps to visually indicate that there is more content available to the user, without overloading the initial view. Key Requirements: - Detecting Div Height: The solution should have a mechanism to recognize when a div's content surpasses a specified height. - Organizing Overflow: The overflowing content should seamlessly and automatically move to a different div on the same page. - Visual Indication: It's important that the system's behavior clearly communicates the presence of additional content to the user. Ideal Skills and Experience: - Proficiency in HTML, CSS and JavaScript. - Exper...

I'm in need of a 3D designer who can bring my vision for a new makeup tool to life. The t...in mind. - Incorporating manufacturing feasibility as a key feature throughout the design process. Ideal Skills and Experience: - Proficiency to translate concepts into practical designs. - Strong grasp of materials and methods to enhance product durability. - Ability to work with both functionality and aesthetics as guiding principles. - Experience in 3D modeling and design software (e.g., SolidWorks, AutoCAD). - Proven experience in 3D product design, preferably cosmetics - Knowledge of makeup tools and trends is an added advantage This project is perfect for someone who is passionate about makeup, has a sharp eye for design, and wants to be involved with a new and innovative product...

I'm seeking an expert in Solidworks design to create instrument GA drawings for water quality analysers. Proficiency in mechanical instruments and knowledge of water quality analysers is indispensable for this task. Key responsibilities will include: - Designing comprehensive water quality analyser models using Solidworks in 3D & 2D GA. - Incorporating specifics of mechanical instruments in analyser designs. - Adapting designs based on functional aspects of analysers. Ideal applicants should be seasoned Solidworks designers with hands-on experience in mechanical instruments. Understanding of water quality analysers would make a perfect fit. If you are meticulous and adept at interpreting technical standards, I'd be glad to work with you.

I have serval...fbx and obj format. Image of the model is attached and I only need you to work on the arm and upper body parts, which is circled in red. Key deliverables: - The final mechanical parts should work be compatible with standard CAD software, such as SolidWorks, Onshape. STEP or SLDPRT format works for me. - The final model should be as close as possible to real human body size, The total height of this woman will be 165cm. - I only need the 3d parts to be a shell, no need for inner mechanical structure, but each pieces of the shell should have mechanism to connect to each other using screws. This project provide good example on arm - each 3d print part will have smooth surface, which means any texture on model body should be removed.

...also coaches, staff, and potential new members can easily manage and get access to a whole set of functionalities, including: - A schedule and booking management system that can keep everyone updated regarding various events, classes, and resources available. - Seamless membership management to manage subscriptions, renewals, and other member-related details. - An effective team communication mechanism to streamline discussions binding our community. - An e-commerce setup for selling relevant commodities. Ideal candidates should have proven experience in developing interactive and efficient apps, ideally in the sports domain, with expertise in integrating a variety of features. Knowledge of e-commerce related integrations would be an added plus. The key goal here is to digitali...

...application should mirror the functionality and structure of , with key feature additions including: - social platform registration/signin (google, facebook, twitter) - Advanced product searching capabilities - An intuitive and responsive shopping cart system - Smooth payment gateway integration - feedback system - Posting offers, offers acceptance/bidding - Powerful Advertisement mechanism (this model will monetize only on ads) - facility to integrate with local logistic partners for delivery/estimate/tracking In terms of design, I'm searching for a colorful and vibrant style blended with a professional and corporate touch. The user interface (UI) and user experience (UX) design should be cutting-edge, ensuring a seamless and enjoyable browsing and shopping experience fo...

I'm looking for a Shopify expert to create a site that accommodates multiple pricing factors in order to sell my products online, while also ensuring that the design is consistent with my existing brand assets. Key requirements and considerations for the project include: - **Multiple Pricing Handling**: You will need to create a mechanism that can adjust product pricing based on various inputs like length, cuts, price per metre, and customer location. This is crucial for managing the diverse pricing needs of my business. - **User-Friendly Interface**: The site should be intuitive and easy for customers to navigate, select their desired product configurations, and see the corresponding pricing. - **Existing Brand Assets**: The design must align with my current brand assets to ...

I am seeking a developer experienced in ...understanding of the platform to develop efficient and reliable data conversion workflows. - MySQL Integration: Experience in integrating data with MySQL is essential. - Data Conversion: You will be responsible for converting the data - previous experience in this area is highly desirable. Please note the following: - The type and source of data to be converted is not yet defined. - The triggering mechanism and frequency of workflow runs are also pending. Ideal Skills: - Proficient in Apache NiFi - Strong MySQL Integration skills - Previous experience in data conversion Your primary focus will be on developing a streamlined and reliable data conversion workflow. Your knowledge and experience will be crucial in ensuring the success of thi...

I need to create full screen map using nextjs and mapbox The map have to cover full screen W...The map have to cover full screen When a user click on a point on the map, the application will request a GeoJson dataset of points. Although the GeoJSON requested will be a whole dataset, the application should only display the pins within a 1km radius of the clicked point. Of course, the 1km is not fixed. I need a slider component that the user can change the radius of the circle, instead of 1km fixed. In project, don't use any other material library. You need to use Radix UI for further integration. Because my prev guy said he used headless (I'm not sure) UI. Also, It should be responsive for mobile and tablet.

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...designated order …otherwise it must be exported from. physician profile (as noted below) to a new QR code created by this process • Instantcard will send out cards to USA healthcare registrants. • Healthcare providers’ card outside the USA will be sent to Dr. David P Kalin, IBMS, POB 2396 Oldsmar, FL 34677 • The IBMS International Medial License expires in 3 years from date of issue so a mechanism to update credentials and apply for renewal of IBMS International medical license should start approximately 4 months prior to expiration and this will have to be updated on the healthcare providers profile. • THE ULTIMATE SOLUTION IS AN AUTOMATED SYSTEM TO DEVELOP AND PREPARE THE IBMS IML FOR MAILING, RENEWAL • QUALITY CONTROL - The final complet...

Hi Umer N., I noticed your profile and would like to offer you my project. We can discuss any details over chat.

...**LED Display Design:** I don't have a specific design in mind for the LED display, so I'm open to creative suggestions. It would be great if the design can enhance the user experience and make the game more engaging. - **Programming Language:** I'd prefer the game to be developed using Python. Please ensure you're proficient with Python and can create a smooth and efficient game. - **Control Mechanism:** I'll need the game to be controlled via a web interface that's accessible through a network. This is essential for user interaction and convenience. Ideal skills and experience for this project include: - Proficiency in Python - Experience working with Raspberry Pi - Knowledge of web interfaces and networking If you're confident in your abili...

...proficient developer to create a products slider for my e-commerce website. This slider should automatically scroll through products showing both the product image and price. The main tasks include: - Implementing an automated slider: The slider should scroll through products at a predefined pace, without requiring user interaction. - Displaying product image and price: Each product card in the slider should show the product image and its price. Ideal Skills and Experience: - Proficiency in front-end development: As the slider is a visual element, a strong grasp of front-end development is key. - E-commerce experience: Understanding of e-commerce platforms and product displays is beneficial. - Slider development expertise: Experience ...

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Necesito un diseñador programador web que controle prestashop para modificar diseño plantilla Transformer. Tareas a realizar Home-page: Crear un Prebanner en el encabezado En el Banner Principal crear slider automático, ahora se tienen que mover. Activar o programar banner en versión móbil ( actualmente sólo funciona en ordenador ). Incluir sección newsletter y oferta. Apartado marcas necesita una interfaz mucho más moderna. Testimonios, Reseñas: Poner un apartado con reseñas clientes. Página de producto: Hay que poner la foto del producto más grande, un añadir al carrito más grande, y sellos de garantias, pagos, etc Configurar correctament el POP UP de klaviyo. Por algun motivo no a...

...Wordpress expert to enhance the design of my blog page and ensure the home page is fully responsive across all devices. Key Improvement Areas: - The primary objective is improving overall user experience. This would include: 1. Using custom typography to enhance the aesthetic appeal. 2. Implementing an enhanced navigation menu for smooth user interaction. 3. Integrating a featured image slider to create a visually engaging experience. Responsiveness Across Devices: - The home page should be thoroughly responsive. - The optimal display and functionality are crucial on: - Smartphones - Tablets - Desktops Ideal Skills: - Proficiency in WordPress design and development. - Strong understanding of user experience and responsive design principles. - Experience with implem...

I'm in need of a skilled 3D modeler who can create a detailed model of a car with an intermediate level of detail for the wiring harness. In this project, you'll be tasked with creating a 3D model...harness. This model is intended for visualizing the design of the car, rather than for testing compatibility or educational purposes. SKILLS & EXPERIENCE: - Proficiency in 3D modeling, specifically with SolidWorks - Experience creating detailed models of cars and wiring systems - Attention to detail to accurately represent the connectors in the wiring harness - Understanding of intermediate level of detail for wiring harnesses DELIVERABLES: - A 3D model of a car with a detailed wiring harness including connectors, but not wire colors and textures - The model should be com...

I'm ...product and I'm seeking a talented product designer to bring my idea to life through 3D modeling and rendering. Key Responsibilities: - Convert conceptual sketches into 3D models - Recommend materials and manufacturing processes - Deliver realistic renderings of the final product Ideal Candidate: - Previous experience in designing consumer products - Proficient in 3D modeling software (e.g., SolidWorks, AutoCAD, Rhino) - Familiar with a range of materials and production processes - Proven ability to create photorealistic renderings This is a great opportunity for a designer who is passionate about creating innovative and attractive consumer products. I'm looking for someone who can understand my vision and take it to the next level with their creativ...

I'm seeking a skilled SolidWorks designer for my project related to consumer products, specifically a medical device(Glucometer).The ideal freelancer should have: - Extensive experience in 3D CAD design, specifically SolidWorks. - A deep understanding of medical diagnostic equipment design. - The ability to adhere to the consumer electronic device industry standards. - Proficiency in turning concepts and sketches into 3D models. - Finesse in adding crucial details required for manufacturing. Your insight into our project would be highly valuable and appreciated. We have high expectations in terms of quality and precision, as you're designing a product that aids in health diagnostics.

I'm looking for a CAD designer who can create a high-fidelity 3D model for a prototype. The ideal candidate should have experience in creating detailed textures, features, and functionality in 3D models. Key Requirements: - Expertise in 3D modeling - Ability to create high-fidelity models - Good at designing automotive designs - Goods at solidworks preferably - Must be good at structuring the hinges provided in sketch - Minor visual details should be kept in mind like interior, brakes and dashboard -

...- The resolution should be 1920 x ???? depends on the height of design, inner grid should take 1300px, if you decide to go fullwidth is also possible - we need also show of available positions - output can be JPG, PNG or figma/sketch designs Favorite designs - - - Contents of webdesign of HP in order from top to bottom - Main slider with claim, menu and logo and some call to action button - 3 columns of services - like For Employees, For Employers, Consulting - list of open positions for employees, nicely designed - why to work with us, and some numbers (jobs per month / whatever) - about us - services provided - contact with ability to reserve meeting via Google Calendar - contact form - footer with some basic info (contacts

I'm seeking a seasoned Shopify developer to build an e-commerce website for my business. This website should incorporate two essential features: A shopping cart and customer login/registration mechanism. Key Responsibilities: - Designing and developing a user-friendly Shopify e-commerce platform - Integrating a shopping cart that supports seamless online transactions - Setting up a customer login and registration system for personalized shopping experiences Ideal Skills and Experience: - Proficiency in Shopify website development - Experience in integrating shopping carts and customer login systems - Solid understanding of e-commerce website design best practices - Outstanding problem-solving abilities.

The website is built on a custom CMS platform. I need the following customizations: - Custom Functionality: The current 'unlocking' mechanism based on Followers and Subscriptions needs to be modified. This will require a deep understanding of how the current mechanism works, and the ability to make the necessary alterations whilst ensuring the overall functionality of the site is maintained. Instead of Following or Subscribing to unlock content, content will be unlocked after completion of affiliate offers. This includes backend modification to add affiliate offer links based on country of visitor, and integration with the affiliate network through API and postback scripts so affiliate statistics and earnings can be tracked from the backend. - Custom Integrations...

...may cause excessive heat rise at the contact point. Therefore, by providing a cooling mechanism, we aim to protect the charging cable and inlet appropriately while shortening the charging time as much as possible. However, in a market where charging facilities with and without cooling mechanisms coexist, it is desirable to change the charging mode depending on the presence or absence of a cooling mechanism. This is because if a facility without a cooling mechanism is used as a standard, the charging power of a facility with a cooling mechanism becomes relatively small, and conversely, if a facility with a cooling mechanism is used as a standard, the charging power of a facility without a cooling mechanism may become excessive. Therefore, this di...

...play-to-win games, specifically with an existing script. Main requirements and preferences: - Preference for a Ludo style game, but open to alternative suggestions in this format. - The game must have a “play to win” mechanism that needs to be engaging and well thought out. - The platform is flexible, it can be a web-based game or an app, so previous experience in both or either of them is an advantage. - The project has an urgent deadline and must be completed as quickly as possible. Ideal Skills and Experience: - Experience in developing play-to-win games, preferably with a mechanism similar to Ludo. - Proven track record in web or app-based game development. - Ability to deliver high quality projects within tight deadlines. - Strong communication skills to...

...four-stroke engine for a model aircraft. The engine must meet the following specifications: Specifications: Engine Type: Four-stroke Displacement: 230cc Configuration: Twin-cylinder, boxer/flat engine Additional Feature: Integrated starter Responsibilities: Design and develop detailed engine drawings. Ensure the design is lightweight and suitable for a model aircraft. Integrate a reliable starting mechanism. Optimize the engine for efficiency and performance. Collaborate with our team on necessary modifications. Qualifications: Proven experience in engine design, especially for model aircraft or small engines. Strong understanding of the mechanics and dynamics of four-stroke engines. Experience with CAD software for creating detailed engine designs. Ability to integrate start...

We are looking for experienced 2D artists to participate in a creative design contest aimed at developing a background slider _2200px by 600px). This slider will be a central feature for a website or catalog that showcases a unique and whimsical collection of common and exotic household pets, all depicted in space. NOTE: NO .AI GENERATED WILL BE ACCEPTED! We are looking for an original 2D Artist. The focus should be on the overall them and relation of all fhe animals interacting with one another. We ask for minor space gear, but the focus should not be on the space gear. The focus in on the overall look of each 2D pet character. Very simple. Very minimalistic, not too busy background. Design Requirements: Theme: Each animal should be illustrated as a 2D-cartoon character in...

I need assistance in creating a specialized budgeting spreadsheet focusing on drivers license renewal costs. As someone who understands the intricacies of financial data, your task encompasses the following: - Developing a budgeting spreadsheet with an emphasis on renewal fees. - Including a feature for expense tracking and an income versus expenses comparison. - Incorporating a mechanism for budget forecasts to plan my finances better. The ideal freelancer for this task should excel in financial data management and have a comprehensive understanding of Excel or similar platforms. Previous experience in creating budget planning or financial management tools would be a significant advantage. Let's simplify my financial management together.

Hi Umer N., I noticed your profile and would like to offer you my project. We can discuss any details over chat.

... - Add functionality to trim video durations like TikTok. - Add functionality to resize image. - Address existing bugs and optimize the upload process including improved loader management. 2 - Feed Improvements (Using Flatlist): - Handle poor network connections by locking swipe actions and displaying an informative message, similar to TikTok. - Enhance the smoothness of the video player and slider. - Resolve issues with swipe gestures, especially the right swipe to access profiles. - Optimize post loading with caching and preloading strategies. 3 - Track Player Fix: - Address issues with the 'react-native-track-player' library which is used for background music playback when the app is closed. Consider replacing or fixing the current library. Ideal Candidate: You...

I have some 3D models in solid works that need modifications and additions. The ideal freelancer should be able to: - Perform specific alterations: I need the shape or size of existing features to be altered and the angles or positions of ce...specific alterations: I need the shape or size of existing features to be altered and the angles or positions of certain elements adjusted to meet my requirements - Add new components: I would like to include enhanced detailing or intricate designs, as well as new functional or interactive features to the models. The task will involve a keen eye for detail, a good understanding of 3D modeling in SolidWorks, and the ability to bring creative ideas to improve the model. I need to start on the project right away and would like to have frequen...

I have a single 3D DWG/DXF files that I need to convert to a .step, .sldprt, .x_b, .x_t, .3dxml, .catpart, .prt, or ., preferably .step & .sldprt. It’s imperative that the files are accurate and functional. Key requirements: ...single 3D DWG/DXF files that I need to convert to a .step, .sldprt, .x_b, .x_t, .3dxml, .catpart, .prt, or ., preferably .step & .sldprt. It’s imperative that the files are accurate and functional. Key requirements: - Convert a 3D DWG/DXF files to SLD extension - Ensure high quality of the converted files - Optimize the files for SolidWorks compatibility Ideal freelancer for this project: - Proficient in 3D CAD software, particularly SolidWorks - Experience with file conversion and optimization - Attention to detail and a focus o...

...ESP32-DEVKITC-32UE microcontroller that controls a sliding gate according to an already provided functional description (fragments of this description in the attachment). More detailed information concerning the functional description will follow, when discussing the task. Description of the project: Movement control: The controller coordinates the motion of the cantilevered gate, prompting the drive mechanism to follow a specific motion curve, guiding the gate along its intended path. Safety integration: It interacts with sensors embedded in the gate, such as photocells and safety edges, to detect obstacles or obstructions along the gate's path, triggering safety protocols to halt movement or make a relief motion, as chosen in a programmed ‘Safety response choice&rs...

...restructuring is to improve scalability. - The ideal approach for handling database migrations for each tenant is automatic migrations upon tenant creation. - Full data isolation between tenants is necessary, and I require separate databases for each. Your responsibilities will include but not limited to: - Restructuring the application's architecture to support multi-tenancy. - Implementing a mechanism for automatic database migrations upon tenant creation. - Ensuring complete data isolation between tenants through separate databases. Skills and Experience: - Strong experience in Laravel, specifically in re-architecting applications for multi-tenancy. - Proficiency in database management and migrations. - Familiarity with security and data isolation best practices in mu...

...Kafka for distributed messaging. The project aims to establish an efficient and scalable messaging system that can handle high-volume message processing and filtering. Project Overview: The developer will be responsible for setting up Apache Kafka on a Windows environment and developing a master script and worker scripts to facilitate distributed messaging. The key requirement is to implement a mechanism for bulk-reviewing messages in the queues every 10 minutes to filter out unnecessary messages and optimize system performance. Responsibilities: Apache Kafka Setup: Install and configure Apache Kafka on a Windows machine. Set up the necessary Kafka topics, partitions, and brokers to support distributed messaging. Ensure proper security configurations and access controls are in ...

I'm in need of a professional who can help me update the prices of hotel bookings in real-time from Airbnb to my website. Key Responsibilities: - Establish and maintain a real-time synchronization mechanism between Airbnb and my website to update hotel booking prices. - Ensure that the synchronization process is seamless and accurate. Ideal candidates should possess: - Proficiency in web development and API integration. - Prior experience with Airbnb API integration is highly desirable. - Strong understanding of e-commerce and online booking systems. - Excellent problem-solving skills for seamless synchronization. - Smooth and effective communication skills. Your role is crucial in ensuring our customers get the best rates and a seamless booking experience. Please reach out...

I'm in need of a professional who can help me update the prices of hotel bookings in real-time from Airbnb to my website. Key Responsibilities: - Establish and maintain a real-time synchronization mechanism between Airbnb and my website to update hotel booking prices. - Ensure that the synchronization process is seamless and accurate. Ideal candidates should possess: - Proficiency in web development and API integration. - Prior experience with Airbnb API integration is highly desirable. - Strong understanding of e-commerce and online booking systems. - Excellent problem-solving skills for seamless synchronization. - Smooth and effective communication skills. Your role is crucial in ensuring our customers get the best rates and a seamless booking experience. Please reach out...

...existing code to ensure there are no backdoors from the previous developer. - Verify that the code is functional and all equations for each method within the 15 scope 3 categories under the GHG protocol are correct. 2. Emissions Factor Database Integration - Finish coding the scraping mechanism to extract emissions factors from the Intergovernmental Panel on Climate Change's (IPCC) emissions factors database (). - Integrate the scraping mechanism with the IPCC's lookup section to ensure the database is dynamically updated. Requirements: - Strong experience with the programming language used in the existing codebase (python, html, css, php, javascript). - Familiarity with the GHG protocol and its scope 3 categories. - Experience

i want to assemble spring v1.2 in spring hook as per attached image by flexing. also like to know the method used

I've developed a Replicated Key/Value Service using Primary/Backup in Golang, but I need an expert to review, enhance and ensure the project's efficiency. Key Requirements: - Focus on the efficiency of the codebase, ensuring that it is optimized for performance. - Implement mechanisms for fault tolerance in the system. Specifically, I want to implement the fault tolerance mechanism of 'Data Replication'. Ideal Freelancer: - Proficient in Golang and has experience in developing distributed systems. - Prior experience in enhancing and optimizing code efficiency. - Strong understanding of fault tolerance mechanisms in distributed systems and experience in implementing data replication.

Necesito la memoria de calculo de un chasis tubular bajo cargas de un piloto, el motor y una fuerza sobre el bastidor frontal. Cuento con el CAD en SolidWorks, el material, los espesores y las cargas.

...searchable test panel should be implemented on the website. Users should be able to search for tests by name, filter tests by category, and view detailed information about each test. This is a crucial feature that needs to be carefully designed. - Report Download: The website should include a report download page that allows users to download their reports individually. This feature should also have a mechanism for identifying the user, such as using a unique ID. I'm looking for a developer with experience in creating similar websites, particularly in the medical or healthcare industry. The ideal candidate should have a strong understanding of user experience design and be able to implement a seamless booking system and a user-friendly test panel. Experience with implementi...

...Classes with DI Pattern: - Utilize Google Guice API to implement Dependency Injection across all service classes. - Ensure that all dependencies are injected and managed by the Guice framework. 2. Apply Listener Design Pattern: - Implement the Listener design pattern for the functionality specified in Requirement 7 of the original assignment. - Please make sure that the listener mechanism is properly integrated and functional. 3. Immutable Domain Objects with Builder Pattern: - Refactor domain object classes (e.g., books, videos) to be immutable. - Use the Builder design pattern to facilitate the creation of these immutable objects. 4. Incorporate Singleton Design Pattern: - Apply the Singleton design pattern where applicable to ensure a single instance of...