Color-coding systems are fairly standard. the stimulating biosouth pole ...
Color-coding systems are fairly standard. the stimulating biosouth pole is usually color-coded red, the soothing bionorth end color-coded blue, white, or green . the North pole is negative must be Green color, it can be used almost any time without problems. the south pole is the positive field  must be the red color, it is used only in very specific treatments to stimulate gland or organ functions, Remember that wrong pole marking can be harmful to your health.
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