Ключевые слова: bulldozer, canyon, clearing, crushing, developed, dozer, earth, earthmoving, engineering, environment, excavate, excavation, excavator, geology, gravel, ground, heavy, industry, job, land, landscape, loader, machine, machinery, mine, mineral, mining industry, mining quarry, mountain, natural sand, open, open cast, open pit, open pit mining, pit, plant, production, quarry, reclamation, recovering, resource, restoring, rock, sand, site, stone, vehicle,