Zigawo za granite ndizofunikira kwambiri pamakampani opanga makina a tomography.Kusonkhanitsa, kuyesa, ndikuwongolera zigawo izi moyenera ndikofunikira kuti mupeze zotsatira zolondola komanso zodalirika.Munkhaniyi, tikambirana njira zomwe zimakhudzidwa pakusonkhanitsa, kuyesa, ...
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