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標題: 真正慳電胆--2公升水变50Watt燈胆--唔使交電費 [打印本頁]

作者: letsrock    時間: 2009-11-5 17:03     標題: 真正慳電胆--2公升水变50Watt燈胆--唔使交電費

a close to free light bulb
作者: 古惑強    時間: 2009-11-5 17:51

This is seriously cool idea!  Only work if you have a roof top, otherwise you would be hammering into someone else floor plan.
作者: Trevor    時間: 2009-11-6 00:22

有光,佢就着,冇光佢就一定唔會着...




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