it was an essential building material. Mostly it is used to make steel.
Iron was used to build both the rail road tracks and the train cars. Without railroads, we would never have gotten to where we are now. (also used in steel and critical in many other applications)
It's a core ingredient in steel, which is the most-used building substance in the industrialized world. As a result, it's had a tremendous effect on economies worldwide.
it was an essential building material. Mostly it is used to make steel.
Iron was used to build both the rail road tracks and the train cars. Without railroads, we would never have gotten to where we are now. (also used in steel and critical in many other applications)
It's a core ingredient in steel, which is the most-used building substance in the industrialized world. As a result, it's had a tremendous effect on economies worldwide.