The pliability of the intermediate layer compensates for any irregularity or {HEAD ~ misalignment} of {TAIL ~ the cutting edge} of the cylinder relative to the gel or membrane 
of
The pliability of the intermediate layer compensates for any irregularity or { HEAD ~ misalignment } of { TAIL ~ the cutting edge } of the cylinder relative to the gel or membrane
OTH OTH OTH OTH OTH 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