Those gripping members near the open end 2 of {HEAD ~ the housing} are shorter in {TAIL ~ length} than those near the closed end 3 
Those gripping members near the open end 2 of { HEAD ~ the housing } are shorter in { TAIL ~ length } than those near the closed end 3
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH