Well Drilling is a method used to drill a hole in the ground surface to extract natural resources such as water, natural gas, brine, and injection of fluid from the surface to the subsurface reservoir.
It includes large public works, dams, bridges, highways, water/wastewater and utility distribution. Industrial includes refineries, process chemical.
Construction is the process of constructing a building or infrastructure. Construction differs from manufacturing in that manufacturing typically involves.
Infrastructure is often called heavy/highway, heavy civil or heavy engineering. It includes large public works, dams, bridges, highways.