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.
Best Answer: Safe Refrigerator Temperature For safety, it is important to verify the temperature of the refrigerator. Refrigerators should be set to maintain a temperature of 40 Â°F or below. An appliance thermometer can be kept in the refrigerator to monitor the temperature.This can be critical in the event of a power outage. When the power goes back on, if the refrigerator is still 40 Â°F, the food is safe.Foods held at temperatures above 40 Â°F for more than 2 hours should not be consumed.n appliance thermometer can be kept in the refrigerator to monitor the temperature. This can be critical in the event of a power outage. When the power goes back on, if the refrigerator is still 40 Â°F, the food is safe. Foods held at temperatures above 40 Â°F for more than 2 hours should not be consumed.