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Metals and Plastics
Overview of the Chapter 17 and 18
Term | Definition |
---|---|
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 |