Ключевые слова: abstract, aggregate, asphalt, background, backhoe, base, broken, bulldozer, construction, cracked, cross, dirt, dry, earth, environment, equipment, excavation, excavator, gravel, ground, heavy, industrial, industry, land, layer, loader, machine, machinery, mover, mud, natural, nature, power, road, rock, sand, section, shovel, site, soil, sub base, sub grade, surface, texture, transport, truck, underground, vehicle, water, work,