Cadmium is often found in printed circuit plate resistor, and cathode ray tubes, etc., which will accumulate in the body, especially the liver and kidney are frequently found in the cut, made of mercury heat. Flat screen and switch by will result in a warning: layowaiwa, including the brain, kidney, and a child in the womb to the mother, and if more sources will change as Methylated Mercury and settling, which accumulates in living organisms and is accumulated by a chain.
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