INNOVATION AIR POLLUTION FILTER TOOL

Students show how to work purwarupa air pollution filtering equipment results in the Engineering Laboratory, Brawijaya University in Malang, East Java, Thursday (4/7/2019). The tool utilizing solar power as the power source combines microcontroler technology, carbondioxide gas sensor as well as zeolite filter element so it is expected to be able to cope with good air pollution caused by motor or smoke exhaust gas pollution due to soil combustion. ANTARA PHOTO/Ari Bowo Holypto/wsj.

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