Ключевые слова: absorbent, activated, active, ash, background, black, block, carbon, care, charcoal, closeup, coal, combustion, cooking, cosmetic, energy, firewood, fuel, hard, hardwood, health, healthy, leaf, medical, medicine, natural, oral, organic, piece, pile, plant, polish, power, product, pure, stomatology, toothpaste, treatment, trunk, white, whitening, wood, wooden,