Pigs and Biogas in the Philippines(corrected)

By: Screen Rant

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Uploaded on January 22, 2009 by questioning3 Powered by YouTube

pigpen and biogas construction

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Biogas, Biodigester, Biodigestor, Philippines, Carcar City, Cebu, Natural Gas, Pigs, Manure, Third World Country, Developing Country, Sustainable Energy, Black Church, Black, Travel, Adventure, Renewable Energy, Green Energy, Nature, Travel & Outdoors

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