Earthwork is a general term covering various construction and engineering works related to the movement or modification of earth, ground and rocks. These are key actions at the early stages of most construction and engineering projects. Among the main types of earthworks are: excavations, terrain levelling, embankment construction, drainage work, foundation construction and the protection of slopes. Earthworks are carried out using various types of heavy equipment: excavators, loaders, bulldozers, road rollers and other construction machinery.