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Metals and Plastics

Overview of the Chapter 17 and 18

Aluminium Used in the manufacture of drink cans.
Casting Putting raw or pig iron into moulds
Former A shape around which the plastic is moulded.
Galvanising The process of dipping steel into zinc to protect it.
Alloy A mixture of two or more metals
Acrylic Another name for perspex
Lead A dull grey metal that is heavy, soft and malleable
Biodegradable The ability to break down and decay over time
Ferrous Metals that contain Iron
Created by: mrcostello