As an example, if the inner liner used at present is of 170 gm paper, a folded over {TAIL ~ margin} of some 2 mm at the opposite ends of {HEAD ~ a 147 gm liner sheet} of the same quality will give the edges the same or better stability, although less material is used 
As an example , if the inner liner used at present is of 170 gm paper , a folded over { TAIL ~ margin } of some 2 mm at the opposite ends of { HEAD ~ a 147 gm liner sheet } of the same quality will give the edges the same or better stability , although less material is used
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