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Directions: The following 12 (Twelve) items consist of two statements: one labeled as the ‘Assertion (A)’ and the other as ‘Reason (R)’. You are to example these two statements carefully and select the answer to these items using the codes given below:

Assertion (A)  : Rolling requires high friction which increases forces and power consumption.

         Reason (R)         : To prevent damage to the surface of the rolled products, lubricants should be used.

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