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The emergence of bottled water has changed people's habit of drinking water for a long time. Bottled water and water machine has entered innumerable families, has provided people with convenient and fashion. But big barrel of water in water feeling always demanding, carry up fear slippery, especially when the bottom of the hold. Modified in the side on the bottom of the bucket and a concave, lived in water tower can temporarily card on the concave side hand, in order to prevent slippery hands.
Guangdong Ocean University