Structure


 * Structure **//Bases of a building//

What makes the building is held?: The structure sistem. This is the element that maybe the people can't see or don't pay attention in a construction but without this, the building can not stant up. The structure can be made with columns, beams, plates, arches, shells or catenaries. Also it can be of many kins of materials like iron, steel, concrete, aluminium and wood.