Xuddunta labajibbaaran ee Granite
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Granite Square Ruler oo leh 4 dusha sare oo sax ah
Xuliyayaasha Granite Square waxaa lagu sameeyaa saxnaan sare iyadoo la raacayo heerarka soo socda, iyadoo la qabatimo darajooyin sax ah oo sarreeya si loo daboolo dhammaan baahiyaha gaarka ah ee isticmaalaha, labadaba gudaha aqoon-is-weydaarsiga ama qolka metrologiga.