Mechanical engineers design power-producing machines, such as electric generators, internal combustion engines, and steam and gas turbines, as well as power-using machines, such as refrigeration and air-conditioning systems. Mechanical engineers design other machines inside buildings, such as elevators and escalators.

The cost of a basic renovation can range from R50,000 to R150,000 for a small house and up to R300,000 for a larger house.

By investing in regular maintenance, you can increase the value of your property, reduce energy costs, improve safety, extend the lifespan of your building, and avoid expensive repairs. If you're a property owner, ensure you are doing everything you can to keep your building in good condition.