Ключевые слова: arborist, blade, branch, branches, chain, chainsaw, chopping, climbing, construction, cut, cutter, cutting, danger, engine, environment, equipment, forest, forestry, harness, log, lumber, lumberjack, machine, man, outdoors, power, professional, protection, safety, saw, sawing, sharp, timber, tool, tree, trunk, wood, woodcutter, work,