| http://www.w3.org/ns/prov#value | - In the case where from 10 to 50 % by weight of non-volatile oily solvent and ordinary solid vehicles or fillers such as waxes, polymers, clay, and precipitated inorganic salts are used in the writing material, there is a possibility of the liquid compound being diffused out of the writing material and the surface of the latter becoming wet or perspiring, thereby becoming sticky.
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