The method 1 wherein {HEAD ~ the strip} of {TAIL ~ foam rubber} has a rectangularly shaped cross section 
of
The method 1 wherein { HEAD ~ the strip } of { TAIL ~ foam rubber } has a rectangularly shaped cross section
OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH