Assertion: valve | /r/AtLocation | the other
Facets:
value: from eitheropened or closed position
type: OTHER
Source sentences:
text: It is further desirable that such a valve be provided which willbe suffi'ciently easy to move from eitheropened or closed position to the other of such positions'that' the valve is adaptable for controlby relatively small solenoids, or other selectively ener'giz'able means involving relatively little mechanical force, as well as capable of being operated with only minor modification by hand, by foot or by any of the limitless number of mechanical devices capable ofapplying a re'ciprocable motion through a small amplitude to the movable portion of the valve.