6.3　Green Balls Classification

6.3.1　Classifier of roller type should be adopted for classification of green balls to remove any oversize（+16mm）and undersize（-8mm）.

6.3.2　Transfer of green balls and the drop during each transfer shall be minimized as far as possible during their journey to induration machine.

6.3.3　Undersize（-8mm）and oversize（+16mm）green balls should be recycled to balling systems in which the oversize shall be broken via smashers prior to recirculation.