A working fluid is a pressurized gas or liquid that actuates a machine.

The water is forced out by a pressurized gas, typically compressed air.

A sliding float separates the ink from the pressurized gas.

The interior of the craft was filled with a pressurized inert gas.

Turbine powered, it could fire clouds of flechettes by pressurized gas.

With the silencer in place, the pressurized gas behind the- bullet has a big space to expand into.

Their function is to store energy by using pressurized gas.

Start with storing hydrogen as a highly pressurized gas, which raises safety concerns.

Instead, Nike has an air-cushioning system that uses pressurized gas.

For such systems the supply of pressurized gas is a logistical concern for field use.