Hard but brittle, less malleable than mild steel, good electrical and thermal conductivity Taps and tools, eg screwdrivers and chisels Low-carbon steel (mild steel) Ductile and tough, easy to form ...

Acrylic (PMMA) Hard, brittle, shiny, available in a wide range of colours Resists weather well, can be cut, folded and polished well, scratches easily, used for car lights, visors and baths High ...