HAZARD OIL INTO SOLAR BIO

A number of companion teachers processing slantah oil (steamed oil used) to be bio solar in SMK Negeri 2 Salatiga, Central Java, Wednesday (3/12). Teachers and students in the school change the ugly oil, alcohol, catalysts processed by transesterification so that it produces more efficient and cost-effective alternative fuel innovation. ANTARA PHOTO/Aloysius Jarot Nugroh/ed/Spt/14

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