![]() |
| |||
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 phrases in 2 subjects |
Metallurgy | 1 |
Mining | 5 |