This is a place where giant steam leaks have gone on for weeks without anyone's noticing.

Some are direct steam leaks, but many are water leaks.

This is known as a cold steam leak.

She added that the hospital had replaced its plantings with rock gardens after steam leaks killed the flowers.

"You'd have thought there would be some signs of moisture or condensation if there had been a steam leak, sir."

The steam leak was not immediately stopped to avoid the possibility of creating another rupture.

These can isolate the main steam system in the event of a major steam leak.

Part of the reason for the quick running was revealed on the programme was the need to repair a steam leak.

It sounded more like a huge steam leak than an explosion.

In 1998, Trenchant experienced a steam leak, forcing the crew to shut down the nuclear reactor.