⑴. Bayyanar kwalabe: cikakken gyare-gyaren, cikakken tsari, babu bayyananne shrinkage, kumfa, burrs, lahani, uniform launi, kuma babu lalacewa ga anti-sata zobe hade gada. Kushin ciki ya kamata ya zama lebur, ba tare da eccentricity ba, lalacewa, ƙazanta, ambaliya da warping; ⑵. Karfin budawa: th...
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