A diaphragm is biased into sealing {HEAD ~ engagement} with {TAIL ~ the valve seat} to provide a fluid seal between the ink inlet and the ink outlet 
with
A diaphragm is biased into sealing { HEAD ~ engagement } with { TAIL ~ the valve seat } to provide a fluid seal between the ink inlet and the ink outlet
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH