| http://www.w3.org/ns/prov#value | - As a solvent used in the preparation of the paint for forming the surface covering layer 4 is preferably used an alcohol solvent such as methanol, ethanol, isopropanol, butanol or the like; a ketone solvent such as acetone, methylethyl ketone, cyclohexane or the like; an aromatic hydrocarbon solvent such as toluene, xylene or the like; an aliphatic hydrocarbon solvent such as hexane or the like; a
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