Taumafai i luma o faiga masani alamanuia, tatou taumafai e maua le tulaga maualuga maaʻaʻaʻaʻa sikuea tafatolu sikuea.Fa'aaogāina sili maamora uliuli Jinan e pei o le mea mata, o le sa'o ma'amora tafatolu sikuea e fa'aoga lelei e siaki ai fa'amaopoopo tolu (ie X, Y ma Z axis) o se fa'amatalaga alaleo o vaega machined.Ole galuega ole Granite Tri Square Ruler e tutusa ma Granite Square Ruler.E mafai ona fesoasoani i le masini masini ma le gaosiga o masini e fa'atino le su'esu'ega sa'o ma tusi i luga o vaega/mea faigaluega ma fua le sa'o o vaega.