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Ni5: Small batch digester
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Ni5: Buffalo dung
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Ni5: IMG_2560
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Ni5: Batch digester heated water bath
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Ni5: IMG_2537
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Ni5: IMG_2538
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Ni5: Biogas storage
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Ni5: Biogas storage bag
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Ni5: Lighting the biogas
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Ni5: Small scale biogas digester