Coal sample closeup isolated on transparent background
Contributor: khajar
ID : 1570914489
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Keywords
coal, mineral, rock, geology, fossil fuel, energy, black, grey, layer, texture, closeup, isolated, macro, natural, dark, industrial, grey, piece, sample, mining, earth science, natural resource, black background, education, science, research, element, carbon, study, industry, power, fuel, black-and-white, design, background, photograph, image, nature, photo, resource, material, objectRelated items
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