It was impossible that the pressure hull could hold out any longer.

He pounds on the pressure hull but the impact makes no noise.

The task of building a pressure hull is very difficult.

Then he began his tour of the pressure hull.

This is actually an advantage as it allows access to the pressure hull in these areas for maintenance.

They were saved from serious injury by the pressure hull.

The pressure hull is holding but I doubt for very long.

Next he dropped eight meters down the inside of the sail to the pressure hull, then two more into the control room.

Then came the October's battery and the inner pressure hull.

The upper control room was between the tower and the pressure hull.