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| |||
| square-set method; square-set stoping; square-setting | |||
| Nevada system (Gerüstausbau); pillar-and-stope (method, Gerüstausbau); square-set system; square-set work; square-setting (Rahmenausbau) | |||
| Abbau mit Rahmenzimmerung: 6 a las frases, 2 temas |
| Metalurgia | 1 |
| Minería | 5 |