The category is Magnetic Materials: Magnetic materials are utilised in the creation and distribution of electricity, and, in most cases, in the appliances that use that electricity. Magnets can be used in scrap and salvage operations to separate magnetic metals (iron, cobalt, and nickel) from non-magnetic metals.
Parent categories: Metallurgy, Plastics, Rubber, Chemicals & Energies
Related categories: Commercial, Home, Lights, Construction Accessories & Materials