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.
The proper refrigerator temperature is usually set by a national authority. Then local authorities can set a lower temperature requirement. Some chains set even a stricter requirement. The United States Food and Drug Administration set the maximum refrigerator temperature at 41 Degrees Fahrenheit. That temperature is the maximum for the actual product being refrigerated. This is often confused for the air temperature.