RE: China has built the World’s biggest air purifier and it is running in Xian in Shaanxi province

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China has built the World’s biggest air purifier and it is running in Xian in Shaanxi province

in technology •  7 years ago 

Excelente idea. Ojala muchos paises desarrollen tecnologias para cuidar el planeta y la vida. Todo es posible con una educacion de calidad y unas politicas serias

technology
7 years ago by

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