Ключевые слова: arm, background, blade, chain, chainsaw, concept, construction, cut, cutter, danger, design, engine, equipment, felling, forest, fuel, garden, gasoline, handle, heavy, industrial, industry, internal, isolated, machine, machinery, mechanical, metal, modern, motor, nobody, object, plane, power, powered, powerful, professional, protection, safety, saw, sawing, sharp, slash, strength, technology, timber, tool, white, wood, work,