Ключевые слова: bark, bark wood, blade, branches, chain, chain blade, chainsaw, climbing, construction, cut, cutter, danger, destroyed, engine, environment, equipment, factory, forest, forestry, furniture, gardening, gasoline, hand, house hold, human, industry, log, lumber, machine, man, nature, outdoors, park, plant, plantation, professional, safety, saw, sawdust, sawing, sharp, timber, tool, tree, trunk, wood, woodcutter, work, worker,