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