In the preferred embodiment, the means for allowing movement between mounted positions and the valve means responsive to the movement therebetween utilize common structural elements, thereby reducing greatly {HEAD ~ the complexity and production cost} of {TAIL ~ dispenser} 20 
of
In the preferred embodiment , the means for allowing movement between mounted positions and the valve means responsive to the movement therebetween utilize common structural elements , thereby reducing greatly { HEAD ~ the complexity and production cost } of { TAIL ~ dispenser } 20
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH