A bead of glue is placed between {HEAD ~ glue flap} 24 to secure {TAIL ~ edge} 23 to glue flap 24 and allowed to dry 
to secure
A bead of glue is placed between { HEAD ~ glue flap } 24 to secure { TAIL ~ edge } 23 to glue flap 24 and allowed to dry
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH REL REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH