Ключевые слова: activity, angle, building, bulldozer, caterpillar, clear, cloud, construction, cylinder, development, digger, digging, dirt, earth, equipment, excavation, excavator, gear, gravel, handful, heap, heavy, hill, horizontal, hydraulic, industry, land, machine, machinery, metal, mining, mover, object, occupation, platform, power, quarry, rubble, sand, scoop, single, site, stone, track, tractor, transportation, vehicle, view, working, yellow,