Ключевые слова: adults only, agriculture, air, arborist, branch, bumpy, chain saw, chainsaw, cherry picker, cloudy, cut off, danger, dangerous, deforestation, elevator, environment, forestry, high up, hydraulic platform, lopper, lumber industry, machine, man, manual, moving up, nature, outdoors, people, plants, professional, protection, protective clothing, pruning, risk, safety, service, sky, storm, stormy, tools, tree, tree trimmer, tree trunk, trimmer, two, wood, woodcutter, worker, working, yellow,