| 摘要 |
PURPOSE: A portable water purifier using pebbles, sand, and charcoal is provided. It makes the user drink water without fear outdoors. CONSTITUTION: A portable water purifier is characterized by being comprised of: a part for purifying water comprised of a pebble(5,9) layer, sand layer(6,8), and charcoal layer(7); a grip(10); a cover which is used for a cup(2); a fixing board(19) for the pebble layer(5); a lower cover(18); and a board having a plurality of a hole for preventing the pebble and the sand falling.
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