She felt it swell like a balloon inflated by a pressure pump.

Sewage can also be collected by low pressure pumps and vacuum systems.

This led to the relocation of the pressure pump between the tank and the nozzle.

Oil is then drawn from this reservoir by the pressure pump and circulated through the engine.

I started the turbine, which was down near the pressure pumps.

A 1000 gallon per minute low pressure pump was fitted at the rear of the machine.

So we employ a pressure pump set down near the water; that type of device has no such limit.

It usually takes the form of a small finger shaped receptacle hooked up to a positive pressure pump.

Although intended for oral inflation, a suitable low pressure pump may be used if preferred.

The carts were sort of like a large golf cart with a high pressure pump and racks for rescue gear on the back.