Keywords
anthropomorphic face, black, block, blue, cable, chunk, close-up, coal, color image, colored background, concepts, contrasts, cord, earth, electric, electric plug, electricity, energy, environmental conservation, fossil fuel, fuel and power generation, geology, ideas, indoors, industry, large, mining, nobody, photography, pollution, power, rock, superstock, two objects, vertical, wrapped, stock image, images, royalty free photo, stock photos, stock photograph, stock photographs, picture, pictures, graphic, graphics, fine art prints, print, poster, posters, mural, wall murals, 1422r-1049, 1422r 1049, 1422r1049