Final answer:
Casting of expanded plastics can produce decorative panels, architectural molds, furniture components, and boat hulls, utilizing their lightweight and versatile properties for various industry applications.
Step-by-step explanation:
Four items that may be produced by casting of expanded plastics include:
- Decorative panels: These can be cast into various shapes and sizes for interior design applications.
- Architectural molds: These are used to create detailed facades or elements for buildings.
- Furniture components: Various parts of furniture can be cast from expanded plastics for lightweight and cost-effective solutions.
- Boat hulls: Expanded plastics are sometimes used for making small boat hulls where weight and resilience are key.
Casting with expanded plastics allows for complex shapes and is widely used for both functional and aesthetic components in various industries. It utilizes different types of plastics, such as polyethylene, polystyrene, and polycarbonate, which can be molded into sturdy, durable, and versatile products. The method is advantageous due to its ability to produce lightweight and complex designs with insulating properties.