Answer:
PVC is a durable material that's resistant to weathering, which is why it's so often used in building and construction. It's also resistant to chemicals and doesn't conduct electricity, making it crucial for use in high-tech applications, such as wire and cable.
Explanation:
Drums because you can beat on anything almost and get a sound
Symmetry is the idea of a natural shape or man made shape seeming alike or identical if it were to be split a certain way
Proportion is the idea of a shape being equal with another
