Ключевые слова: agriculture, chain, cut, digging, ditch, drive, equipment, fell, forest, forestry, grass, heavy, industrial, industry, knife, log, logger, logging, lumber, machine, management, natural, nature, operator, outdoors, plowing, pull, region, resource, sharya, siberia, skidder, skidding, taiga, thinning, timber, tractor, transport, tree, trees, trench, vehicle, winch, work,