11.   Since different molecules absorb different colours, this microscope can be used to make a microscopic chemical analysis of the surface.

12.   Snow from the mountains were used to make the sherbets of yesteryear, but nowadays we have freezers.

13.   The building blocks of these polymers are often exactly the same as those used to make saturated fats.

14.   The comb and tissue can be used to make a kazoo.

15.   The conventional image of a ceramic is of a hard brittle material used to make items such as crockery and tiles.

16.   The paddle is used to make a bid.

17.   The same principle can be used to make a moisture meter from wooded strips.

18.   The tax breaks which used to make mortgages an attractive tax shelter, such as Miras, are now long gone.

19.   There, the rubber will be ground up and used to make asphalt, drip-irrigation pipes and other commodities, he said.

20.   This latter deviation can, of course, be used to make a circular walk from the station of about seven miles.