Ключевые слова: activity, beautiful, beauty, blue, boulder, build, cabin, caterpillar, construction, day, dig, digger, earth, engineering, equipment, excavate, excavation, excavator, heavy, hydraulic, industrial, industry, landscape, line, machine, machinery, mechanism, metal, nature, new, orange, pave, power, road, rub, sand, shipping, shovel, site, sky, soil, spring, steppe, stone, summer, sunny, tractor, vehicle, work, yellow,