At {HEAD ~ the same time}, {TAIL ~ the inherently good compression failure resistance} of the compressible gasket material of the base sheet is preserved 
At { HEAD ~ the same time } , { TAIL ~ the inherently good compression failure resistance } of the compressible gasket material of the base sheet is preserved
OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH