Ключевые слова: aggregate, belt, big, bucket, building, bulldozer, construction, conveyor, desert, diesel, earthworks, ecology, engineering, environment, gloomy, gravel, gravitational, huge, industrial, iron, landscape, loader, loading, machine, machinery, materials, minerals, mining, moving, pit, plant, process, quarry, remouving, rusty, sand, sandy, screening, separator, sreendeck, stationary, structure, washing, wheeled, working,