Ключевые слова: anthracite coal, black, brown, cave, cellar, coal, coal mine, coal mine extraction, cracked, cut, dark, depth, dirty, donbass, donetsk, dungeon, engineering, fuel and power, generation, geology, giving, hammer, hard, holding, horizontal, illuminated, industry, life, light, longwall, longwall mining, machine, man, miner, mineral, mining, movable, oredeposit, people, processed, profession, raw material, repair, respirator, roof supports, safety, tunnel, ukraine, underground, working, workings, world,