For example, the above solvent includes ketones such as acetone and methyl ethyl ketone, esters such as dipropylene glycol monomethyl ether acetate, dipropylene glycol monomethyl ether, diethylene glycolmonomethyl ether acetate and diethyl ether monomethyl ether, and aromatic hydrocarbons such as solvent naphtha, toluene, xylene and ethylbeznene.