Give two examples which indicate that nylon fibres are stronger than cotton fibres.

Why do we use plastic containers, instead of metal containers, for storing food articles?

Explain why the following is made of thermosetting plastic:

Chairs.

Explain why the following is made of thermosetting plastic:

Electric switches / plugs, etc.

The following plastic material can be recycled or not?
Radio or television cabinets.

The following plastic material can be recycled or not?

Carry bags.

The following plastic material can be recycled or not?

Handles of cooking vessels.

The following plastic material can be recycled or not?

Electric switches and boards.

The following plastic material can be recycled or not?

Nylon rope.