Xa ugrumba kwizinto eziqinileyo ezifana neglasi, i-ceramic, okanye i-tile, i-drill bits yendabuko ihlala isilela ukubonelela ngokucocekileyo, ukusika okuchanekileyo.Kulapho iisarha zomngxuma wedayimani zingena khona.Ezi zixhobo zokusika ezikhethekileyo ezifakwe ngamasuntswana edayimani zenzelwe ukusika ...
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