| 摘要 |
PURPOSE: A water supply system using charcoal and silver is provided to supply clean drinking water by treating various heavy metals and bacteria contained in tap water. CONSTITUTION: The water supply system using charcoal and silver comprises the steps of installing a stainless steel unit(2) in a cylindrical pipe(5) which is 50mm in diameter and 200mm in length, then filling up with sand(3) containing 50% of silver and 50% of crushed charcoal(4), attaching a thermometer(1) to sense the temperature of water, then connecting to a water pipe(6).
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