Ключевые слова: arm, backgrounds, backhoe, blue, boom, bucket, bucket lift up, business, clouds, construction, contractor, crawler, development, digger, digging, dirt work, duty, equipment, excavating, excavator, excavator loader, grader, hard work, heavy industry, hoe, industrial, industry, light, loader, machine, machinery, model, outdoors, pipe, pipeline, scoop, scraper, selective focus, shovel, site, sky, soil, sunbeam, sunlight, sunrise, sunset, technology, track, tractor, yellow,