deposition of {TAIL ~ an adhesive layer} on the flared rear part of {HEAD ~ the tube}, 
deposition of { TAIL ~ an adhesive layer } on the flared rear part of { HEAD ~ the tube } ,
OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH