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Publicado: 2017-04-10 11:13:23.262375 Categoría: Coal and Ore Tipo: Foto Model release: NoShare
Black (bituminous) coal isolated on white background. Black coal is a relatively soft coal containing a tarlike substance called bitumen.
Contributor: aleks-p
ID : 143893725
 coal isolated on white background. Black coal is a relatively soft coal containing a tarlike substance called bitumen.')){kind=link}