Ключевые слова: background, bucket, building, bulldozer, business, clouds, construct, construction, contractor, design, development, digger, dirt work, duty, equipment, excavate, excavating, excavator, grader, hard work, heavy, heavy industry, industrial, industry, lift up, loader, machine, machinery, master, model, modern, nature, objects, orange, outdoor, scoop, scraper, shovel, sky, sun, sunrise, sunset, technology, track, tractor, tunnel, vehicle, wheel, wheel loader, yellow,