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