4,520 Cobalt Metal Royalty-Free Photos and Stock Images
cobalt ore, a metallic chemical element that is related to iron and nickel. Used in industry. to create substances called alloys. BOU AZZER, MOROCCO - OCTOBER 25, 2015: Workers heading to the cobalt mine at Bou-Azzer in the Anti Atlas mountains of Morocco. ... Cobalt. Metallurgy. Manufacture, Mining, Production, Extraction High-temperature ...