| 212290 |
Platinum mining and/or beneficiating |
| 212290 |
Psilomelane mining and/or beneficiating |
| 212290 |
Pyrolusite mining and/or beneficiating |
| 212290 |
Quicksilver ores and metal mining and/or beneficiating |
| 212290 |
Radium ores mining and/or beneficiating |
| 212290 |
Rare earth metal concentrates beneficiating |
| 212290 |
Rare earth metal ores mining and/or beneficiating |
| 212290 |
Rhodium mining and/or beneficiating |
| 212290 |
Rhodochrosite mining and/or beneficiating |
| 212290 |
Roscoelite (vanadium hydromica) mining and/or beneficiating |