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Last Updated: May 12, 2008 - 7:20:13 PM |
The beer bottles lie on a board in rows, all connected by hoses which allow cold water to flow through them and be heated by the sun.
"I invented this for my mother. I wanted her to shower at any time more comfortably," says Ma Yanjun, a carpenter, of Qiqiao village, Shaanxi Province.
"A real solar water heater is too expensive to me, so I came up with the idea of making one on my own.
"I hope this invention can be promoted nationwide, and allow mothers in undeveloped rural areas to have a hot shower."
Ma has now helped more than 20 families in the village to make and install their own beer bottle solar water-heaters.
He says he will build a public bathroom for the village using his invention when he has the money to buy enough beers.
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