Physics, 18.08.2020 23:01 maisymooch
Several companies produce personal water filters that can travel anywhere. Such filters make any water safe to drink by removing bacteria and other contaminants. However, they cannot filter heavy metals and viruses or remove salt. The filters are constructed of sturdy plastic and weigh just two ounces. They can be purchased in stores or online for about $20
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Several companies produce personal water filters that can travel anywhere. Such filters make any wat...
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