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Mechanical purification
In this second video of the five-part series on water purification you will learn how the mechanical purification of the water purification process works.
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Nettiquette - Explobots
Nettiquette is a combination of the words network and etiquette. They are norms regarding behavior on the internet and everything that goes with it, such as the use of smartphone, e-mail, social media...
This document lists 31 of these standards.
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