Cast iron Brittle if thin ... and car bodies Aluminium Light in weight and malleable but strong, a good conductor of heat and corrosion resistant Drink cans, saucepans, bike frames Copper An ...

Miss Armit: Well, we've got copper and it's a really good conductor of electricity, so we use that in our wires. We've also got iron and aluminium and they're great at conducting heat, so we use ...