Diesel mechanics involves the repairing, diagnosing and servicing of vehicles that run on diesel engines ranging from vehicles to trucks to tractors. A tradesperson in this field would inspect, service, repair and maintain diesel mechanic engines.
Motor mechanics involves the repairing, diagnosing and servicing of motorised vehicles. This trade allows tradespeople to work on a wide range of automotive vehicles.
Auto-electrical involves installing, repairing and maintaining electrical systems in motorised vehicles. Tradespeople in this field ensure the proper functioning of electrical systems in motorised vehicles.
Welding is the fabrication process of fusing two or more pieces of metal together. There are various types of welding.
Electrical is the performance of any electrical work involved in the installation, construction, repair, removal, or maintenance of facilities or buildings.