You were the safety valve, in case I needed to bring the whole thing down.
As a safety valve, to keep them from getting out of control.
One way to think of it is as a safety valve.
"Part of our responsibility is to be a safety valve for people who have not been heard from."
Until well into the 1980's, there had been a safety valve.
"The bottom line is that people want a safety valve."
If anything, the question is whether it provides enough of a "political safety valve."
But, he added, there is no insurance that the safety valve works.
"Do you think that will act like a safety valve, and hold back some of the flood?"
"Just the fact that it's there is an important safety valve."
Insight, he said, "is almost like an outlet, an escape valve where they can come out with this information."
In some neighborhoods, choice has given desperate parents an escape valve from failing schools.
There is no easy escape valve in the new arrangement.
The hotels, administration officials said, provide an essential escape valve.
It has few of the escape valves that exist in London.
It is an escape valve for a booming Sunbelt city.
What we want to do is provide some type of escape valve.
From her mother she had learned that one must have an escape valve, one last card to play.
Although such measures can never be an alternative for good management, they must be an escape valve when something goes wrong.
Legal and illegal immigration are also very different escape valves.
