Civil engineering[r]: A broad field of engineering dealing with the design, construction, and maintenance of fixed structures, including roads, buildings, airports, tunnels, dams, bridges, and water supply and sewage systems. [e]
Construction[r]: Process that consists of the building or assembling of infrastructure. [e]
Bulldozer[r]: A piece of construction equipment, with military applications, characterized by a movable blade for pushing earth or debris on the front of a tracked vehicle with great traction and power [e]
Backhoe[r]: A piece of heavy construction equipment consisting of a combined shovel and bucket at the end of a powered, hinged boom; in use, the operator scoops earth or other material with the bucket, then draws it to the power source at the other end of the boom [e]