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https://sebarkan.org/2018/11/02/serba-serbi-seputar-black-box-kenapa-black-box-jt-610-harus-tetap-direndam-air-usai-ditemukan/
Serba - Serbi Seputar Black Box : Kenapa Black Box JT 610 Harus Tetap Direndam Air Usai Ditemukan?