The first type, a sudden change from normal atmospheric pressure to a vacuum, is the more common.

"Even the normal pressure would be much higher than they're used to working at."

Bill says their odd couple relationship works because they don't have the normal pressures of married life.

This means that more Carbon dioxide gas can be put into the water than at normal pressure.

He opened enough doors to give him near normal pressure and called mark Irons.

The space where the visitors or inhabitants stay is at normal atmospheric pressure.

The pumping force of the heart should help to keep a normal pressure within the blood vessels.

No loss of heat or air, and pressure's normal.

The black boxes were held 13,000 feet below water for two years at 400 times normal atmospheric pressure.

It then burns as a gas under normal atmospheric pressure.