| refiner | (n) ผู้ทำให้บริสุทธิ์ |
| refiner |
| refiner |
| refiner | (n) one whose work is to refine a specific thing, Example: he was a sugar refiner |
| refinery | (n) an industrial plant for purifying a crude substance |
| Refiner | n. One who, or that which, refines. [ 1913 Webster ] |
| Refinery | n.; |