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