ELECTRIC ENERGY SAVING TOOLS
Students of the University of 17 August 1945 (Untag) Aji Purnomo (right) and Personal Ika Permana (left) prepares a propaga electric energy-based Logic Control Program at Untag Campus, Surabaya, East Java, Monday (1/2). The tool can minimize the waste of electrical energy due to the negligence of the officers who forget to turn off electricity. ANTARA PHOTO/Zabur Karu/ama/16
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