Paint protects the car from Galvanized steel girders. Chromium plating protects

Corrosion. bicycle handlebars.

USES

Several transition metals are used in the fabrication of durable items. Iron is used in many different areas because of its cost, hardness and abundance in nature. Iron is the raw material from which steel is produced. Steel, the alloy of iron, is the basic material which is widely used in industry. Because it is ' strong, abundant and cheap, it is used in bridges, buildings, automobiles and airplanes. Iron is used in the medical treatment of anemia. Since lack of iron in blood cells prevents the formation of hemoglobin, red blood cells do not function properly.