fábrica de martillo submarino a alta presión
Conclusion
The low-pressure environment presents a range of challenges for human exploration. Spacecraft designs must take into account the effects of low pressure during landing, ascent, and surface operations. Habitats for astronauts will need to be airtight to maintain a safe atmospheric pressure for human survival.
marte à basse pression

The Benefits of a 185 CFM Portable Air Compressor
The reason:The suction pipe is not filled with water
Blocked suction line or inadequate valve opening
The inlet pipe of the pump, the meter or the stuffing box are serious
Blocked suction line or inadequate valve opening
The inlet pipe of the pump, the meter or the stuffing box are serious