Gauge Block
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Precision Gauge Block
Mipingo yoyezera (yomwe imadziwikanso kuti ma geji block, ma Johansson gauge, ma slip gauges, kapena ma Jo blocks) ndi njira yopangira utali wolondola.Chipilala choyezera payekha ndi chipika chachitsulo kapena cha ceramic chomwe chakhala chokhazikika bwino ndikumangika ku makulidwe ake.Ma block block amabwera m'magulu a block okhala ndi utali wosiyanasiyana.Pogwiritsidwa ntchito, midadada imayikidwa kuti ipange kutalika kofunikira (kapena kutalika).