Automotive air conditioning fitters install and repair air conditioning units in various types of vehicles and machinery, such as cars, trucks, vans and tractors.

Refrigeration and air conditioning draftspersons design and produce working drawings of mechanical systems for refrigeration and air conditioning systems within a building project so that they can be manufactured, constructed and installed.

Refrigeration and air conditioning mechanics select components, assemble, install, test, fault-find, service and repair industrial, commercial and domestic refrigeration and air conditioning systems in homes, shops, factories, office buildings, hospitals, supermarkets and cold stores.

Mechanical engineering associates assist mechanical engineers and engineering technologists with the design, manufacture, construction, operation and maintenance of machines, manufacturing equipment, mechanical installations and mechanical facilities. They usually have a range of duties carried out under the direction of mechanical engineers and engineering technologists.