Metal cans - beverage and soup cans, although usually extracted from trash by separation techniques
Heavy metal music | heavy metal | heavy metal music | metal | death metal | black metal | power metal | Full Metal Jacket | progressive metal | Christian metal | Power metal | Metal Blade Records | symphonic metal | Metal | Heavy Metal | gothic metal | Progressive metal | Metal Gear | London Metal Exchange | industrial metal | Heavy Metal (magazine) | Heavy metal | Metal Box | Eagles of Death Metal | Metal Hammer | Metal Gear Solid | Heavy Metal Parking Lot | Death (metal band) | The Decline of Western Civilization Part II: The Metal Years | Precious metal |