16. Metals: Prevention of Rusting Aesthetically pleasing because chromium is shiny Chromium plating Canned food Tin plating Machinery; aids in lubrication Covering with grease/oil Large iron and steel pipes e.g. cars, bridges, ships Covering with paint Use Method
17. Metals: Prevention of Rusting Corrugated iron sheets for roofing Galvanising Cutlery, medical instruments, kitchen sinks, etc Alloy (Steel) Underground steel pipes Magnesium blocks Steel hulls of ships Zinc blocks Use Method