powerful heavy machine equipped with a broad plate or a shovel located in the front of the vehicle. The blade part is movable and can be lifted as well as pushed down to the ground. There are different types of dozers and they either use a four-wheel-drive tractor or a crawler. Dozers are commonly used in agriculture to help spread the soil and distribute it evenly. They are also used in many construction tasks such as cleaning the area, transporting trees and various objects or moving heavy things.