Ключевые слова: backhoe, black, blue, build, building, bulldozer, construction, contractor, crane, digger, drill, earth, earthmoving, electric, equipment, excavator, ground, heavy, hydraulic, icon, illustration, industry, land, large, line, loader, machine, machinery, outline, sand, shovel, sign, site, sky, soil, sun, symbol, truck, vehicle, water, wheel, work, worker, yellow,