Ключевые слова: angle, arborist, ascending, bark, boots, branches, business, care, chainsaw, climber, climbing, clouds, cold, contractor, cutting, dangerous, environment, equipment, expertise, forest, harness, height, industry, job, low, maintenance, man, nature, occupation, outdoor, perspective, professional, pruning, removal, rope, safety, service, skilled, sky, surgeon, tools, tree, trimming, trunk, view, winter, wood, work, worker,