Because if his pressure drops, he could be in trouble.

The pressure drop on deck four had cut them off.

The pressure drop across a clean sand bed is usually very low.

Low velocity will result in lower or no pressure drop.

However, the patient's back starts to hurt and his blood pressure drops.

He could feel the pressure drop, like popping in his ears.

A pressure drop is set up along the length of the bed cylinder.

It can be used for working out pressure drop or flow rate down such a pipe.

"More importantly, pressure drops will not affect them in the air."

"We experienced a sudden and dangerous pressure drop," Data said.