Cigarette Smoke Changer Devices Into Oxygen

However, said the son of the couple Abdul Hafid and Ninik Budi who was born in Grobogan, February 17, 1995, their tool was able to beat the inventions of students from various countries in the event.

Meanwhile, the Principal of SMA Negeri 3 Semarang Hari Waluyo admitted that he was proud of his students’ achievements in the event which took place in Bangkok on 28 June – 1 July 2012 and was able to beat participants from various countries.

“They managed to beat their competitors from China, Malaysia, Singapore, Thailand, Vietnam, the Philippines, Taiwan, and Japan. These two students are in class XI science, they can be role models for their younger siblings,” he said. In addition to the two students of SMA Negeri 3 Semarang, the gold medal in the same event was obtained by students from SMP Petra Surabaya with the innovation of the Water Coated Helmet. Students of SMA Negeri 2 Yogyakarta and SD Muhammadiyah Manyar, Gresik won bronze.

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