grader, bulldozer flats the road surface. tears unevenness with a large blade. a perfectly level surface is created which crushes

belt binder blade brown bucket bulldozer construction created crushed crushes cycling dirt disappeared dosing earth excavate excavation excavator fence flat flats garden geodetic grader heap heavy highway huge improvement landscape large lawn level leveling machinery metal path perfectly pile preparation remove road rollers sharp site soil steel street surface tears topsoil track unevenness unsuitable vehicle warehouse which work