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.
34Â°F - 40Â°F is the ideal refrigerator temperature range. Some Web sites just say under 40Â°F, but not so cold to freeze fresh foods.Dairy products and meats keep best at the low end of the temperature range. A freezer should be set at 0Â°F, or lower, if possible.4Â°F - 40Â°F is the ideal refrigerator temperature range. Some Web sites just say under 40Â°F, but not so cold to freeze fresh foods.