sentences:  Mechanical Specialty students receive crew to depot level training on power plant maintenance.The training is a combination of lecture and hands-on practical exercise.Subject areas for the Mechanical Training Phase include Diesel Engines and Systems, Allied Skills (hand, precision and power tools), Electric Arc and Oxyacetylene Welding, Fluid Handling Systems (piping systems, air compressors and pumps) and Diesel Engine Maintenance, Troubleshooting, and Rebuild.