A - Job planning & preparation: application, sketching, hand and power tool selection, material and equipment safety considerations, lock-out/tag-out, estimating
B - Process diagnosis and control, obtaining proper documentation, hazardous material identification, in-process inspection, reading work orders, in-service approval
C - Shop maintenance: Preventative maintenance, lubrication, coolant changes, calibration, inventory management, cleaning of machines & work areas
D - Drilling/Grinding/Cutting/Tapping and Bench Work: deburring, fit-up, repair, assembly, fabrication, and use of power and hand tools
E - Mechanical seals, packing, gaskets, O-rings: inspection, installation repair/replacement maintenance and trouble shooting
F - Precision inspection: caliper, micrometer, laser or vision precision metrology instrumentation, writes reports