the provision of what is needed for the well-being or protection of a person or thing: He is under the care of a doctor. With proper care, the watch will last a lifetime. temporary keeping, as for the benefit of or until claimed by the owner: He left his valuables in the care of friends.
Iron is used more than any other metal for producing metal alloys. The most important iron alloys include cast iron, pig iron, wrought iron, and steel. There are various alloys of steel, but they all contain iron as the main metal. Carbon is one of the main alloying elements mixed with iron to make steel.
Iron ore is the raw material used to make pig iron, which is one of the main raw materials to make steel.98% of the mined iron ore is used to make steel. Indeed, it has been argued that iron ore is more integral to the global economy than any other commodity, except perhaps oil.ron ore is the raw material used to make pig iron, which is one of the main raw materials to make steel.