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William Kamkwamba om att bygga ett vindkraftverk
4,231,505 plays
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William Kamkwamba
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TEDGlobal 2007
• June 2007
Read transcript
När han var endast 14 år gammal byggde den Malawiske uppfinnaren William Kamkwamba ett vindkraftverk till sin familj av reservdelar, utifrån enkla skisser han hittade i en biblioteksbok.
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