12 pulgadas de perforación
Drilling rig is a tool used to directly mine stone. It drills through rock layers to extract stone or other stone works.
The reason:
Inlet valve is not open or has silted
Suction line resistance is too high or blocked
Suction height is too high
Inlet valve is not open or has silted
Suction line resistance is too high or blocked
Suction height is too high