21.   If used on copper, they will chew it up.

22.   Increased sales of the hardware could bolster companies manufacturing games to be used on the console, which ran short before Christmas.

23.   Intensive-care conditioners are often thick creams, and are meant to be used on damaged hair as and when you need it.

24.   It can be used on wood and metal, and needs no primer or undercoat.

25.   It can not be used on aluminium or galvanised surfaces.

26.   It can not be used on suede or synthetic materials.

27.   It has since been used on many small computers as a means of implementing a rich instruction set at a reasonable price.