Ключевые слова: blue, brown, building, bulldozer, construction, development, digger, digging, driver, earth, environment, equipment, excavation, excavator, forest, forestry, heavy, hydraulic, industrial, industry, landing, load, loader, loading, log, logging, lumber, machine, machinery, mine, mining, mover, moving, nature, sand, securing, site, sky, soil, timber, tractor, transport, transportation, tree, truck, vehicle, vehicles, wood, work, yellow,