{TAIL ~ The system port} includes a valve stem having a first end, a second end, and {HEAD ~ a bore} integrated within 
{ TAIL ~ The system port } includes a valve stem having a first end , a second end , and { HEAD ~ a bore } integrated within
TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH