📺 Water and air purification without chemicals

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Submitted by Elsewhere on 2020-Nov-18 Wed 09:07
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500Foods shared this story from HD.com.

“And this is possible”, says Lies van Geest, owner of FreeAir, which his company proves at a grower in the Dutch town of Almere. By splitting up the regular water purification machines into different sections, the water is completely purified every day. 40 HertzThe first option for water purification is…

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