Ключевые слова: ash, background, bamboo, black, block, branch, brittle, burn, carbon, charcoal, closeup, coal, combust, combustion, cooking, crack, dark, dirty, emission, energy, fire, group, handful, hard, hardwod, hardwood, heat, high, industry, isolated, macro, material, natural, pile, power, pure, purification, purifier, purity, quality, raw, rock, smoke, stick, stone, traditional, trunk, white, wood, wooden,