I watched her ears closely to see if any steam escaped.

It was just a little steam escaping through a safety valve.

There was a hiss as steam escaped from the machine.

Something hissed - steam escaping, from the sound of it.

When steam escapes from the top, shake pan once or twice and turn heat to medium.

And it wasn't the hissing of steam escaping from a vent in the rock.

See all the steam escaping from around the pistons.

To position the camera, a hole had to be cut in the ceiling, through which the steam escaped; it was instead added digitally.

Using a sharp knife, cut a few slits across the center of the pie so that the steam can escape.

Using a sharp knife, cut a small cross shape in the top of the pasties through which the steam can escape.