Zida zamtengo wapatali za granite, zomwe zimadziwikanso kuti maziko a makina a granite kapena midadada ya granite calibration, zimadziwika bwino chifukwa cha kulondola, kukhazikika, komanso kulimba kwake.Izi zidakhala gawo lofunikira m'mafakitale osiyanasiyana, kuphatikiza kupanga, aerosp ...
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