THE UTILIZATION OF BEEF IMPURITIES INTO BIOGAS
Ignite biogas-based stoves from cattle dirt made in one of the cattle farms in Palu, Central Sulawesi, Wednesday (31/7/2019). The use of beef impurities as the biogas is able to save the use of fossil gas fuels for daily purposes. ANTARA PHOTO/Mohamad Hamzah/wsj.
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