Ключевые слова: ash, bonfire, buckets, burning, burnt, campfire, closeup, coal, damage, danger, dirty, environment, environmental, equipment, fire, firewood, flame, fossil, fuel, garbage, generation, heat, industry, iron, material, metal, natural, nature, old, outdoors, phenomenon, physical, pollution, power, puddle, recycling, rusty, sitting, smoke, steel, structure, temperature, two, unhygienic, water, wood, working, yellow,