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bejdjndbe
searching PlanetScale…
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by
bejdjndbe
2y ago
Significantly. Almost any toothpaste contains Flourine compounds and the US even dumps tons of Flourine into the drinking water to give residents whiter tooth. It's not harmless (nothing is) but much less harmful
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by
bejdjndbe
2y ago
While LED improve continuously, they do not yet achieve neither power nor power/$ of mercury lamps Mercury lamps do however have a strong disadvantage: Mercury There are only a few domains in EU where mercury UV lamps are still allowed