1)Aluminium is used by companies to make bicycles

2)Coins from countries around the world are collected by people

3)Copper has been stolen from many buildings in London by criminals

4)Gold was founded in Australia in 1851 by miner

5)Leather items are often given as a third wedding anniversary present.

6)Paper will not be needed in the future

7)In the oust, houses were built of local stone by people