s in heavy machinery using diagnostic tools and techniques. Performing routine inspections, lubrication, and preventive maintenance tasks to keep equipment in good working condition. Fixing mechanical components, including engines, transmissions, brakes, suspension systems, and hydraulic controls. Replacing worn or damaged parts such as gears, bearings, or hydraulics. Testing repaired equipment to ensure proper functionality and compliance with safety standards. Maintaining detailed records of services, repairs, and parts used. Using a variety of tools like welding equipment, hoists, and pneumatic tools, and maintaining them in good condition.