a bearded blacksmith struggles to lift a heavy gray metal ingot with both hands. His face shows strain as he tries to move the dense material to his workbench. The metal piece has a distinctive dull gray color that looks different from shiny steel or iron. Other similar gray metal blocks sit nearby on wooden shelves, all sharing the same heavy, muted appearance. A young apprentice watches from the side, pointing at the uniquely colored metal materials. objects made of lead with their characteristic dull gray color and extreme weight