Use of non-ferrous metals in Canon based manufacturing unit is quite common. In fact, a majority of products and components are made of non-ferrous metals due to their light weight and other favourable properties. These metals do not contain iron but are generally more expensive than ferrous metals. Alloys are the most common non-ferrous metals widely used in wheel manufacturing and various other products that require higher conductivity, non-magnetic properties and resistance to corrosion. Some of the most commonly used non-ferrous metals are aluminium, copper, lead, nickel, tin and zinc. Various jewelry materials such as gold and silver are also non-ferrous.