Ключевые слова: adult, bark, blade, branch, business, caucasian, chain, chainsaw, construction, cross, cutting, danger, electric, equipment, firewood, forest, fuel, hand, horizontal, human, industry, job, log, lumber, lumberjack, machine, male, man, manual, occupation, outdoors, person, pine, power, professional, protection, protective, safety, saw, sawdust, sawing, section, skill, timber, tool, tree, trunk, wood, work, worker,