Synset:escape escape valve relief valve safety valve
Hypernyms:regulator valve
Inherited Hypernyms:safety valveregulatorcontrolmechanismdeviceinstrumentalityartifactwholeobjectphysical entityentity
Inherited Hypernyms:safety valvevalvecontrolmechanismdeviceinstrumentalityartifactwholeobjectphysical entityentity