sea level, it is the elevation than a field have reec with the sea level, field, it is the main part where we are going to contruct the road, horizontal alignment, it is the route that the road should to follow without change the elevation or the sea level in the plane, vertical alignment, that is the curves than a route should to follow for a while, and it change the elevation of the field where we are going to construct the road, pile, it is a fundation than we use in a bridge, a house or build, this element ir bigger than a piling, foundations, it is one of the most important parts of a construction of a build or road, it is going down the earth, BIM, building information modeling, concrete, it is the combination of whather, sand, grave and cement, and we have to wait for a while, filter, it is something than take wather to take care of bae and sub base, ditch, it is a hole, volume, it is the unit of meditionin cubic meters, gang or squad, 4 black mans, excavator, it is a machine than we use to retirate earth from the field

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