1. Material selection and processes: advantages of stainless steel, aluminum, and MDF for specific applications, and detailed methods for cutting, finishing, and joining materials. 2. Construction techniques: creation of components from Styrofoam, mild steel, and acrylic, ensuring proper safety measures and tools usage. 3. Product optimization: identifying and solving design problems in sails, point-of-sale displays, and hydraulic lifting devices with detailed redesign proposals. 4. Concept development: designs for flat-pack toy storage, vacuum-formed trays, and tablet-removal devices, integrating user-specific functionalities. 5. Aesthetic and functional enhancements: name, color schemes, personalization options, and mechanisms for usability and safety in designed products. 6. Visual representation: detailed 3D rendered drawings showcasing developed features and solutions for improved product functionality and appeal.