Ключевые слова: accessories, coal, construction, dust, environment, equipment, excavation, extraction, extractive, gear, ground, hard, has, hazardous, hazards, headgear, heavy, helmet, industrial, industry, job, laboratory, landscape, level, machinery, management, mine, miners, mining, occupational, operations, pile, protection, protective, robust, rugged, safety, site, sturdy, terrain, tools, underground, work, worker, workers, yellow,