| http://www.w3.org/ns/prov#value | - Exemplary displacing fluids include Norland optical adhesives available from Norland Products, Inc., New Brunswick, N.J., cyanoacrylate adhesives disclosed in U.S. Pat. Nos. 5,328,944 and 4,866,198, available from Loctite Corporation, Newington, Conn., resins, monomers, mineral oil, silicone oil, fluorinated oils, and other fluids which are preferably substantially non-miscible with water.
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