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Dr. Md Rushad Rahman
এমবিবিএস(আরপিএমসি)
,
পিজিটি(মেডিসিন)
For non-drinking purposes, such as bathing or clothes washing, running the water through charcoal and sand will clean it of most impurities. For drinking, additional purification is required through heating, chemical, ozonefiltering or other methods, in order to kill bacterial growth and pathogens.
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