precautions while using laboratory thermometers

These thermometers are used to measure the temperature of the human body, at home, clinics and hospitals. All clinical thermometers have a kink that prevents the mercury from falling down rapidly so that the temperature can be noted conveniently. There are temperature scales on either side of the mercury thread, one in Celsius scale and the other in Fahrenheit scale.Since the Fahrenheit scale is more sensitive than the Celsius scale, body temperature is measured in