Ключевые слова: activity, big, blue, building, bulldozer, civil, construction, development, dig, dirt, earth, environment, equipment, excavation, excavator, flatten, heavy, highway, industrial, industry, journey, loader, machine, machinery, metal, modern, mover, outdoor, power, repair, road, sand, scoop, shovel, site, sky, smooth, soil, structure, track, trail, transport, vehicle, way, work, yellow,