| 摘要 |
PROBLEM TO BE SOLVED: To prevent sticking of fur and to protect a vegetable oil material from oxidation by increasing electric field voltage to vary the characteristics of molecules of an aqueous solution and the vegetable oil material, etc. SOLUTION: An outer periphery of an electric field voltage increasing metal 1 consisting of an optionally shaped non-iron metal material is covered with a rust-proof metal material 2.
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