{HEAD ~ A handle} having a pivotal lever is disposed in {TAIL ~ the valve body} and engages the plunger to reciprocate longitudinally through the bore 
{ HEAD ~ A handle } having a pivotal lever is disposed in { TAIL ~ the valve body } and engages the plunger to reciprocate longitudinally through the bore
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH