various uses of metals
Due to their shiny appearance they can be used in jewellery and decorations. Particularly gold and silver are widely used for jewellery. In the old days, mirrors were made of shiny metals like silver. Silver is a very good reflector. Metals such as iron are very strong. Therefore, it is therefore, widely used in the construction of buildings, bridges, railway lines, carriages, vehicles and machinery. 3 ï¨ All metals except Mercury, exist in the solid form at room temperature. Therefore, they retain their shapes under normal conditions.