Ключевые слова: abstracts, apocalypse, armageddon, background, breakstone, business, cement, clouds, cobblestone, concrete, construction, conveyor, crusher, crushing, danger, dirty, disaster, dredge, dust, ecology problems, environment, equipment, excavation, factory, global warming, gravel, haze, heavy, hell, industrial, industry, landscape, macadam, machine, machinery, manufacturing, mine, nature, plant, polluted, pollution, production, quarry, rock, sky, smog, smoke, stone, technology, working,