Skill Test - Machining Class C The latest subject test question bank 500 questions Work item 01: Work metrics (10 questions) Work item 02: scribing (20 questions) Work item 03: Manual processing (89 questions) Work item 04: Machine operation (271 questions) Work item 05: Tool grinding (63 questions) Work item 06: Mechanical production and repair (19 questions) Work item 07: Fault detection (14 questions) Work item 08: Machine maintenance (14 questions) Can be used offline after installation, s