Assertion: valve | /r/HasAspect | at least its lower end
Facets:
Source sentences:
text: Extending downwardly into the bore 44 of the valve gate member 32 is the lower end portion of an upper valve stem 52, the valve stem 52 being hollow, as indicated at 54, and having at least its lower end provided with interior threads for receiving the exterior threads of the lower valve stem .48.