She was really building up a head of steam here.

These are used until the end of steam in 1971.

You couldn't get up a head of steam for anything.

And a bit of steam does seem to be in order.

The long wait had given him time to work up a full head of steam.

Tough to bring down when he gets up a head of steam.

And in other games, he had trouble getting up a full head of steam.

"Just how big a head of steam have you two let him build up?"

For once there was a good head of steam in the thing.

It's just that they had a real head of steam on.