18:58

Boltec S

12:05

Instalación de pernos Hydrabolt

3:01

Underground mining

21:04

Dangerous Idiots Fastest Truck & Heavy Equipment Fails | Extreme Oversized Truck Transport #7

12:55

Ciclo Trabajo Interior mina

3:43

Muki 22 2 DSC 0053

11:16

La construction d'un moteur de porte-conteneurs !

5:03

Instalación de perno helicoydal , BOLTER 99 - U.M Los Filos , México.