Education: Secondary (high) school graduation certificate. Tasks: Troubleshoot and inspect equipment to detect faults and malfunctions. Diagnose faults or malfunctions using computerized and other testing equipment to determine extent of repair required. Order parts and maintain inventory. Adjust equipment and repair or replace defective parts. Welding experience. Test repaired equipment for proper performance and to ensure that work meets manufacturers' specifications. Clean, lubricate and perform other maintenance work. Perform repair work on heavy trucks. Verify and repair emission control systems. Perform other routine maintenance. Experience: 1 to less than 7 months.