plastics

plastics

1. Monomers and Polymers: most of polymetres are formed of molecules called "monomers" wich are duplicated

2. Types of plastic: Thermoplastics, Thermosetting Polymeters and Elastomers.

3. The history of plastics. The plastics are in the industries to used to make a widee variety of different objects.

4. Plastic shaping techniques. Plastic are shaped and sculped by heating the material before putting into a mould.