The steam then passed into the radiator.

This steam then passes through superheaters to raise the temperature beyond the one at the saturation point.

As the water is heated, the steam passes through the plant material, vaporizing the volatile compounds.

Once the valve opened a little, steam could pass the lower seat and began to act on the larger upper diameter too.

The steam passes through drying equipment inside the steam drum on to the superheater, a set of tubes in the furnace.

The viscous friction at the wheel surface causes admission losses as steam passes from nozzle to wheel.

The steam passes over a series of alternate fixed and moving blades.

In a triple expansion steam engine the steam passes through three successive cylinders of increasing size and decreasing pressure.

The steam from the boiler passes through the first nozzle ring where its pressure drops and velocity increases.

As the water is heated, the steam passes through the plant material collecting the scents.