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Water additive which encourages solid enamel; erosion of normal deposits; discharge from fertilizer and aluminum factories Germanium is a naturally occuring aspect made use of being a element in semiconductors and fiber optics. Extreme exposures to germanium may perhaps hurt the kidneys. Fluoride happens Normally in surface area and groundwater https://ca49483.ourcodeblog.com/28217895/manual-article-review-is-required-for-this-article

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