U-Granite Tri Square Ruler
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I-Precision Granite Tri Square Ruler
Ukulwela ngaphambi kwezitayela ezijwayelekile zemboni, silwela ukukhiqiza isikwele esiphakeme sekhwalithi ephezulu se-granite. Kusetshenziswa i-Ginan Black Granite emnyama kunazo zonke njengento eluhlaza, ukunemba kwesikwele esingunxantathu kusetshenziselwa ukubheka izixhumanisi ezintathu (ie x, y kanye z axis) yezakhi zemishini. Umsebenzi wombusi wesikwele we-granite tri ufana noMbusi wesikwele eGranite. Kungasiza ithuluzi lomshini kanye nemishini yokukhiqiza umsebenzisi ukwenza ukuhlola okulungile kwe-angle kanye nokubhala ezingxenyeni ezithile / kwezindawo zokusebenza futhi kulinganise izingxenye zezingxenye.