The package 5, wherein said sealing means is {HEAD ~ a heat seal} for closing {TAIL ~ said open end} of said barrier bag 
The package 5 , wherein said sealing means is { HEAD ~ a heat seal } for closing { TAIL ~ said open end } of said barrier bag
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH