R
| WORD/TERM | DEFINITION |
|
Refridgeration/ |
Members of this trade are responsible for the installation and maintenance of large and small refrigeration and air-conditioning systems and piping. They work on air conditioners for the home and in apartment and office buildings and they also install / maintain refrigeration and freezer systems found in supermarkets and large industries.As a Refrigeration and Air-Conditioning Mechanic, one usually installs and assembles the components of refrigeration and air-conditioning systems and connects the required refrigerant pipes, ductwork, refrigerant lines and electrical power sources. They install air and water filters and electrical wiring to compressor and circulatory fans, and test lines to detect leaks and adjust controls for optimum performance. Overhauling, repairing, testing and adjusting the systems is also a major part of the work. |
| Road construction | The construction of roads. |
| Rodworker | A Rodworker is a specially trained tradesperson who installs reinforcing steel and accessories in the building of all types of concrete structures in all sectors of the construction industry. A Rodworker installs reinforcing steel which includes the structures we live, shop and play in, as well as the different types of structures we have come to rely on as part of our infrastructure, including highways & bridges, sewage and water treatment plants, dams and reservoirs and electric generating stations to name but a few of the applications of reinforced concrete. |
| Roofer |
A roofer installs, repairs and replaces roofing systems, including conventional, inverted built-up, single-ply and two-ply modified. They also perform damp, water and weather- proofing along with installing and repairing slate, tile and shingles and resurfacing roofs. |