Which of the following statement is correct as regard to up milling?

• A. It can not be used on old machines due to backlash between the feed screw of the table and the nut.
• B. The chips are disposed off easily and do not interfere with the cutting.
• C. The surface milled appears to be slightly wavy.
• D. The coolant can be poured directly at the cutting zone where the cutting force is maximum.