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Nov 8 2006, 9:52 PM EST Anonymous
 
 edit 11 words added
Change: Add more information on this subject by clicking the EasyEdit button.Number that refers to the acidity or alkalinity of paper (acid-free products have a pH factor of 7 or above). Special pH tester pens can help determine a product’s acidity or alkalinity.   View changes from previous version. (Word count: 45)
Nov 8 2006, 9:48 PM EST Anonymous
 
 edit 32 words added
Nov 6 2006, 3:16 PM EST kstovall
 
 create No content added or deleted.