Ключевые слова: activity, build, building, bulldozer, caterpillar, construction, day, development, digging, dirt, dirty, earth, equipment, gravel, heap, hill, horizontal, hydraulic, industry, land, machine, machinery, man, metal, mover, occupation, person, platform, power, progress, quarry, rear, rubble, sand, scoop, seagull, site, sky, technology, track, vehicle, view, working, yellow,