STRINKAGE Metodos de Explotación UG
1:27:01
Cut and Fill - MEM - Nube Minera
1:29:07
MEM Block Caving - Luis Alvarez P.
2:12
Ciclo de minado de taladros largos - SEMINCO
59:44
Capsula Sub Level Stoping MEM Nube Minera
1:18:24
Room and Pillar MEM Nube Minera
12:58
Trump Gives Doozy of a Press Conference About Gaza & Ariana Grande Sings a Song She’s Never Seen
47:15
Capsula Sub Level Caving Curso MEM Nube Minera
15:11