1.   An interesting development is the direct synthesis of acetic anhydride, used to make cellulose acetate for photographic film base.

2.   Clay was used to make an impressive range of items.

3.   Depleted uranium is used to make anti-tank shells more deadly, and tank armour less penetrable.

4.   Gold and silver have attracted particular attention because they were used to make prestige items such as jewellery and regalia.

5.   He said new guidance technology could be used to make the approach safer.

6.   He used to make the bullets too, little strips of iron that he heated, twisted, battered into shape.

7.   In all three instances, neural nets were being used to make routine Decisions that otherwise would have required human intervention.

8.   Laterite, a red clay, was used to make roads.

9.   Referendums can not be used to make significant changes in the voting system for the lower house of parliament.