| http://www.w3.org/ns/prov#value | - The metal used for cooling pipe 30 and/or a plate-like body may include, for example, a metal such as stainless steel, copper, aluminium, or nickel, or an alloy thereof In addition, cooling pipe 30 and/or a plate-like body may be improved in resistance to corrosion by plating the above-noted metal with nickel, gold or the like.
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