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Published: 2018-02-26 18:21:18.190134 Category: Industry Type: Photo Model release: NoKeywords
black, briquet, closeup, coal, combustible, combustion, compression, cylinder, cylindrical, dirty, drying, energy, environment, fire, fuel, heat, hole, honeycomb, industry, isolated, korean, mineral, pattern, power, resource, shape, solid, stackSHARE