| base metal(noun, expression, material, element, metals) |
| chrome(noun, name, material, metals) |
| chromium(noun, name, material, metals) |
| cupronickel(noun, name, material, metals) |
| death metal(expression, material, element, metals) |
| gunmetal(noun, name, material, metals) |
| highly-reflecting metal(expression, material, element, mineral) |
| iridium(noun, name, material, metals) |
| iron(noun, name, material, metals) |
| lead(noun, name, material, metals) |
| magnesium(noun, name, material, metals) |
| mercury(noun, name, material, metals) |
| metal cap(expression, material, element, mineral) |
| metal case(expression, material, element, mineral) |
| metal collar(expression, material, element, mineral) |
| metal consumption(expression, material, element, mineral) |
| metal detector(expression, material, element, metals) |
| metal doorstep(expression, material, element, mineral) |
| metal duct(expression, material, element, mineral) |
| metal element(expression, material, element, metals) |