Description: They vary all over. It has to do with the rotation of the earth, accuracy of the piston on the forging press, heat of the metal, various impurities in the metal. There are many reasons the variances exist
They vary all over. It has to do with the rotation of the earth, accuracy of the piston on the forging press, heat of the metal, various impurities in the metal. There are many reasons the variances exist
