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.
1 A fridge should have a temperature of between 37Â°F(3Â°C) and 40Â°F (5Â°C). Any higher and the food will go off, any lower and youâll lose nutrients and fresh food can be ruined.  The ideal freezer temperature is 0Â°F (-18Â°C) which will store food safely and stop bacteria forming.