Ключевые слова: chief, contractor, cut, ecology, energy, environment, factory, firewood, forestry, forst, hard hat, human, industrial, industry, job, labor, log, logger, looking, lumber, lumbering, lumberman, manager, material, mill, natural, occupation, outdoor, paper, people, pile, piled, pine, plant, radio, resources, source, specialst, stack, storage, supervisor, timber, tree, two, wood, wooden, woodpile, worker, workers, working,