{HEAD ~ The plunger} includes a proximal end and {TAIL ~ a distal end} having a first set of annular ridges formed thereon 
includes
{ HEAD ~ The plunger } includes a proximal end and { TAIL ~ a distal end } having a first set of annular ridges formed thereon
HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH