Ключевые слова: activity, background, backhoe, blue, bucket, building, bulldozer, construct, construction, crane, dig, digger, digging, earth, engineering, equipment, excavation, excavator, ground, heavy, hydraulic, industrial, industry, job, labor, loader, machine, machinery, man, men, object, outdoors, outside, person, quarry, safety, sandpit, shovel, soil, texture, tractor, tractor driver, transport, vehicle, water supply, wheel loader, work, worker, workers, yellow,