Concrete

==Concrete is a construction material composed of water cement, sand and stones; used for many things it hardens to the point of having a stone like constitution, and it is then used for building. ==

==Concrete was used since very long, by the egipcian, in fact they used a variation of the concrete that we use today, it was used to make houses but, it was not very resistent to water; on the other hand concrete is water and fire proof. ==

==The ability to adapt to any shape while on its liquid state makes it one of a kind, and it is a cheap material easy to obtain and transport compared to others.It does not need framing because of it hard composition making it essencial when constructing pillars, some kinds of walls and concrete foundations for buildings. == =In conclusion concrete is a construction material used by our ancestors since the begining of times and has lived on ever since due to its various uses and aplications. =

