| http://www.w3.org/ns/prov#value | - Other liquid solvents which may be employed include but are not limited to glycols and polyglycols such as ethylene and propylene glycols and polyols, halogenated hydrocarbons, such as perchloroethylene, fluorocarbons, low molecular weight polymeric liquids and oils, silicones, water, as well as oxygenated hydrocarbons, such as ketones, esters, alcohols and other liquids usually employed in petrol
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