Medical technicians include: 1  Cardiovascular technicians, whose duties involve performing echocardiograms, or sonograms of the hearts of patients. 2  Dialysis technicians who are trained to operate dialysis equipment for people with failing kidneys.
1 Maintain your refrigerator between 34Â°F and 40Â°F. Refrigerator thermometers are available to help monitor the temperature inside the appliance. See more on thermometers.  Use food quickly, and don't expect food to remain high-quality for the maximum length of time.
Last updated: 1 May, 2014. The ideal temperature setting for a refrigerator is 3ÂºC and for a freezer it's -18ÂºC. The only exceptions are fridge-freezers in the RB*** range, for which we recommend -19Â°C (as -18ÂºC isn't an available option for these models).