valve

"I would say that this is an attempt to give young people a valve to let off steam - so that they can at least have the illusion of a quick trip abroad," he says.

Probably the best Downing Street can hope for is a constructive critic of the government, who can act as a pressure valve for party members, but not be too noisy or disloyal.

As Southern Californians swelter in a Labor Day weekend heat wave, forecasters are warning that one escape valve — the beaches — could be hazardous.

Abnormal heartbeat patterns, which have no symptoms but can increase stroke risk, were 3.5 times more detectable with the AI stethoscopes, while heart valve disease was 1.9 times more detectable.

A safety valve had been removed from the pipes for maintenance.