The device 1, wherein {TAIL ~ an inner layer} of the first section of {HEAD ~ the cover} is bonded to the core 
The device 1 , wherein { TAIL ~ an inner layer } of the first section of { HEAD ~ the cover } is bonded to the core
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH