A valve in a container in which pressure can build up (as a steam boiler); it opens automatically when the pressure reaches a dangerous level.
1 We had a safety valve and that may have affected our display.
2 These disks are a safety valve , deep down in Henrik's private underworld.
3 And I would put that into the category of the safety valve .
4 It was a safety valve that allowed the most desperate to go.
5 Eph and Fet backed away from the blue-lit closet, their safety valve .
6 A safety valve , a pressure indicator, and a blow-off complete the outfit.
7 What is the purpose of a safety valve on a locomotive boiler?
8 What should be done if a safety valve spring or stud breaks?
9 This may be an important safety valve for the exam system in England.
10 The steam escaping through the safety valve is passed through the same apparatus.
11 If such a boiler is used, a small safety valve should be attached.
12 The sound was exactly that of steam roaring from a locomotive's safety valve .
13 Don't you take the monkey-wrench off the safety valve like that.
14 So you'll have to be my safety valve , confidant and confessor.
15 OPINION:Irish emigrants serve the body politic as a safety valve .
16 The ability of your PC to run independent code is an important safety valve .
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