Concrete is the most widely used manmade product in the world. It powers a $35 billion industry, one of the largest on Earth. Concrete is used to make a variety of structures a which you use everyday.
Concrete is a construction material that consists of, in its most common form, cement, gravel and sand, and water. Concrete is the most highly used manmade product on Earth. It is used to make pavements, building structures, foundations, motorways/roads, overpasses, parking structures, brick/block walls and
footings for gates, fences and poles. Approximately six billion cubic metres of concrete are produced every year, which is one cubic metre per person on Earth! Concrete commands a $35 billion worldwide industry and employs, in the United States alone, 2 million people.