 |
| |||
| crucible; melting pot; crucibles laboratory; cupels laboratory | |||
| crucible, melting pot; lead melting pot | |||
| melting crucible | |||
| melter; melting kettle; crucible of refractory clay | |||
| |||
| crucible; melting pot | |||
| Schmelztiegel: 7 a las frases, 4 temas |
| Armas y armería | 1 |
| Ingeniería mecánica | 1 |
| Metalurgia | 3 |
| Química | 2 |