steam line
steam pipe

Two workers were killed in 1986 when a steam pipe ruptured.

Huge steam pipes, higher than my head, covered the walls.

I don't have to warn you about the steam pipes.

The air was moist and close from the steam pipes.

This had replaced an earlier and even more basic system of steam pipes around the machines.

It led to the inspection chamber for the steam pipes.

The board told him that he could not relocate the steam pipe.

As steam pipes go, she said, these are not unusually old.

Several times she touched a steam pipe and it burned her.

It had been a mistake to forget about the steam pipes.