Rebar is a type of metal used to hold construction materials. It is made from various metals such as iron, aluminum, magnesium and stainless steel. When rebar is used in construction, it is usually used in the form of bars or plates that are screwed into the wall or ceiling.
Rebar can play an important role in many areas of our lives, both when building and using it in other types of infrastructure. For example, rebar can be used to support weights during construction and can also be used to reinforce concrete and other materials. Also, rebar can help prevent buckling during strong earthquakes.