FIG 4 is a sectional view showing the first step forming {TAIL ~ a package} according to {HEAD ~ the invention}  
FIG 4 is a sectional view showing the first step forming { TAIL ~ a package } according to { HEAD ~ the invention }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH