| http://www.w3.org/ns/prov#value | - Although a variety of solvents exist that dissolve deacidification agents, do not harm paper or other record components, and are theoretically suitable, most of these organic solvents are not fully satisfactory because they introduce health and other hazards when used alone in effective amounts so as to Oequire unusual precautions, or may damage books due to their wetting and drying characteristic
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