{TAIL ~ The protector} is constituted by an open ended, rectangular sleeve formed of moisture impermeable transparent synthetic plastic film material of high strength having front and rear panels between which {HEAD ~ the inserted transparency} is sandwiched, and a sheet of hygroscopic transparent acetate film which is interposed between the moist transparency and the front panel 
{ TAIL ~ The protector } is constituted by an open ended , rectangular sleeve formed of moisture impermeable transparent synthetic plastic film material of high strength having front and rear panels between which { HEAD ~ the inserted transparency } is sandwiched , and a sheet of hygroscopic transparent acetate film which is interposed between the moist transparency and the front panel
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