pasir silika 36.000.000. kg

Posted by afpg on Januari 16, 2012

Posted in: Uncategorized. Tinggalkan sebuah Komentar

pasir silika 36 juta kg jika diambil dari bumi pasti timbulkan lubang baru

supaya tdk timbulkan lubang baru…………………

gimana solusinya ?

anas okh 0815 398 49729

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