| 摘要 |
PROBLEM TO BE SOLVED: To provide a DC power generating device including a means to generate DC electricity capable of serving for a long period of time. SOLUTION: An additive 2 consisting of a mineral having a far-infrared wavelength in the form of powder and/or grains such as natural stone including electric stone, granite, diamond, quartz, pearl, or ceramics, shells, corals is applied to a work 1 consisting of a plate or rod admitting current feeding by means of coating, plating, fusion spray, etc., so that a processed work 4 is prepared, and wiring is made using a single piece of such processed work 4 or a plurality of ones 4 in the condition overlapped one over another.
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