said {TAIL ~ hole} is covered by a sealing label comprising a metal thin film and {HEAD ~ an adhesive layer} 
said { TAIL ~ hole } is covered by a sealing label comprising a metal thin film and { HEAD ~ an adhesive layer }
OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD