"You get about a pound of pressure for every two feet in height," he says.

Once you put two pounds of pressure on the wire, there will be an alarm that goes off.

For an average good shower you'll need around 30 pounds of pressure.

"He held my life in his hand, with two and a half pounds of pressure."

But at the best I doubt we'll get more than a few pounds of pressure into the line.

At this point, the government decided to apply a pound of pressure.

When tightened it could produce more than two hundred pounds of pressure.

The compression was between 50 to 55 pounds of pressure.

With 800 pounds of pressure on somebody, they can't breathe.

The paper is also put under as much as 140 pounds of pressure.