The tape 1, where {TAIL ~ the areas} of {HEAD ~ each} of the layers are coextensive 
The tape 1 , where { TAIL ~ the areas } of { HEAD ~ each } of the layers are coextensive
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH