1. For a thermoformed 6" diameter cylindrical part, 2" deep, a nominal wall thickness of .07" is desired, what starting sheet thickness is required? (Hint - use Draw Ratio) 2. Determine proper feeds and speeds for milling PP (polypropylene) using a 4 flute .375" diameter HSS End Mill, given a SFM of 1200 ft/min and a chip load of .005" per tooth?