Awareness Ketinggian – PT. Borneo Indobara (BIB)
I received Altitude Awareness Certification from PT. Borneo Indobara (BIB), when I worked for a coal mining contractor company, namely PT Aviako Sepinggan, where PT Aviako Sepinggan was a Sub Contractor of PT. Cipta Kridatama (CK) Site BIB
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