1. Product Materials and Properties – Single-walled printed cardboard for point of sale display, nylon with elastane for leggings, and steel with powder coating for a weights machine. 2. Design Considerations – Adjustable heights for step blocks, grip features on dumbbells, and ventilation in gym lockers. 3. Manufacturing Processes – Use of elastomers, TPE, polypropylene, and cast iron, and the application of surface graphics and logos. 4. Product Functionality and Usage – Applications in fitness equipment, such as step blocks, dumbbells, and gym lockers. 5. Product Structure and Assembly – Modular design for gym lockers, assembly instructions for weights machine parts, and foldable point of sale displays for portability. 6. Packaging and Transport – Fold-flat design for point of sale display for easy transportation and storage.