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. Review work orders . Adjust, repair or replace parts and components of truck-trailer systems. Test and adjust repaired systems to manufacturer's specifications. Estimate parts and labour cost to perform vehicle maintenance and repairs . Perform scheduled maintenance service. Test and adjust units to specifications. Advise customers on work performed and future repair requirements. Complete reports to record problems and work performed. Work conditions and physical capabilities: Hand-eye co-ordination. Attention to detail. Personal suitability: Accurate. Reliability. Team player. Experience: 1 to less than 7 months. Green job: Involves duties and responsibilities that lead to positive environmental outcomes.