Ключевые слова: abstract, angular, anthracite, backdrop, background, black, burning, carbon, closeup, coal, combustion, dark, dense, embers, energy, fire, formation, fossil, fuel, geology, geometric, glowing, grainy, granular, heat, heated, illuminated, industrial, industry, intense, material, mineral, mineralogy, natural, orange, polygonal, power, raw, resource, rugged, solid, sparks, texture, vibrant,