By these measures, a more economical pack can be provided, employing a thinner grade of {TAIL ~ material} for the inner liner, without sacrificing the degree of protection afforded to the article within {HEAD ~ the pack} 
By these measures , a more economical pack can be provided , employing a thinner grade of { TAIL ~ material } for the inner liner , without sacrificing the degree of protection afforded to the article within { HEAD ~ the pack }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD