Steel is a metal alloy which includes iron and often some carbon.

Your doctor will give you prenatal vitamins that include iron.

Other materials sometimes used for large bells include brass and iron.

Other important exports include iron, steel, wine and vegetables.

The products one may expect to see on board their goods trains include iron, steel and coal, fueling much of the country's industry.

Its main mineral resources include gold, iron and nickel, among others.

Other natural resources include gold, silver, tungsten, and iron.

Other resources worked in the area include iron, oil, and very small amounts of silver.

Chief imports through the port included timber, coal, iron and tar.

Their work includes ceramics, fibers, wood, iron, fine metals and photography.