1. describe how various steels are produced from ore
2. define alloys
3. give three examples of alloy
4. give three uses of an alloy
5. give two properties of brass
6.describe how you will prepare fresh clay for use in moulding materials.
7.describe the injection moulding process of making plastics.
8. state what you will add to rubber to make it suitable to be processed into different forms.
9. identify one difference between plastics and rubber
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