Ключевые слова: backgrounds, black, bulk, carbon, charcoal, coal, combustion, deposit, dirty, dust, energetic, energy, environmental, export, extraction, fired, fossil, fuel, full, geologic, gray, heating, image, import, industrial, industry, macro, manufacturing, massive, material, mine, mineral, mining, nature, pattern, pieces, piles, pollution, power, production, resource, resources, shining, stock, stockpile, supply, textured, wallpaper, warming,