Ключевые слова: abstract, backgrounds, black, broken, burning, close, closeup, coal, colors, construction, craft, dark, design, dirty, equipment, fire, flame, formation, heap, heat, industry, iron, macro, manufacturing, material, metal, mining, natural, nature, object, old, pattern, phenomenon, red, rock, rusty, single, stack, steel, technology, temperature, tool, up, wood, work, working, workshop, yellow,