Assertion: valve | /r/CapableOf | operate as opened or closed valve
Facets:
value: normally
type: DEGREE
Source sentences:
text: e able by a single uni-directionally applied force of rela'-' tively short stroke and a force which is in the same direce tion regardless of whether the valve is operating as a normally opened or normally closed valve, said force being in either case effective to" n'iove it into other its normal condition.