Accordingly, the present invention provides {HEAD ~ an inner drive} that is more resistant to {TAIL ~ swelling} once the process fluid has permeated the plastic shell 
is resistant to
Accordingly , the present invention provides { HEAD ~ an inner drive } that is more resistant to { TAIL ~ swelling } once the process fluid has permeated the plastic shell
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH REL OTH REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH