How to build a biogas plant
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How does a biogas plant work?
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Apsley Farms - Biogas Plant
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How does a biogas plant work?
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84. From 500 tonnes of cow poop a day comes biogas & ethanol
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Unveiling the Magic of Biogas Plants
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Every Construction Machine Explained in 15 Minutes
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From manure to energy (part 1) – biogas plant in coop. with the Meerwarth farm
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