Education: Secondary (high) school graduation certificate. Tasks: Adjust, repair or replace parts and components of commercial transport truck systems. Confirm findings with supervisor to determine whether to repair or replace unit. Discuss work with supervisor. Inspect and test mechanical units to locate faults and malfunctions. Test automotive systems and components. Adjust, repair or replace parts and components of truck-trailer systems. Repair or replace mechanical units or components. Perform scheduled maintenance service. Test and adjust units to specifications. Area of specialization: Engine repair. Electrical and electronic system. Alignment, steering and suspension. Brake system. Hydraulic system. Fuel and emission system. Experience: 3 years to less than 5 years.