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.