QUESTION 4 [25 MARKS] (a) Machining is the most versatile and accurate of all manufacturing processes in its capability to produce a diversity of part geometries and geometric features. One of the machining operations is milling. Based on the Figure 4, mention the name of each operation, then describe the difference of the operation in term of the process. [10 Marks] Speed motion Cutter Speed motion Cutter Depth Depen Feed Worsport Wokpan (6) Figure 4 A machining center as shown in Figure 5, is a highly automated machine tool capable of performing multiple machining operations under computer numerical control in one setup with minimal human attention. Describe THREE (3) features that distinguish machining center from conventional machine tools and make it so productive [15 Marks] Figure 5