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. Inspect and test mechanical units to locate faults and malfunctions. Inspect motor in operation. Adjust, repair or replace parts and components of automotive systems. Adjust, repair or replace parts and components of truck-trailer systems. Repair or replace mechanical units or components. Estimate parts and labour cost to perform vehicle maintenance and repairs . Perform scheduled maintenance service. Test and adjust units to specifications. Complete reports to record problems and work performed. Experience: 1 to less than 7 months. Green job: Involves duties and responsibilities that lead to positive environmental outcomes.