Basalt monga zobiriwira m'zaka za zana la 21th amagwiritsidwa ntchito kwambiri pomanga, mumsewu, ndi zina zotero pantchito. Kupatula miyala ya basalt, chinthu chomwe chimagwiritsanso ntchito basalt ngati zopangira, monga basalt fiber yoyenda. Basalt CHIKWANGWANI akuyendayenda, Amene ntchito masoka ...
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