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 {TAIL ~ the inserted transparency} is sandwiched, and a sheet of hygroscopic transparent acetate film which is interposed between {HEAD ~ the moist transparency} and the front panel 
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 { TAIL ~ the inserted transparency } is sandwiched , and a sheet of hygroscopic transparent acetate film which is interposed between { HEAD ~ the moist transparency } and the front panel
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