Ключевые слова: activity, area, background, backhoe, build, building, bulldozer, business, construction, crusher, development, dig, digger, dirt, earth, engineering, equipment, excavating, excavation, excavator, field, grading, ground, heavy, hydraulic, industrial, industry, large, loader, machine, machinery, mining, outdoors, power, quarry, rock, sand, scoop, shovel, site, sky, soil, tractor, transportation, truck, vehicle, work, works, yellow,