1. Precautions to be taken while using a clinical tehermometer
2. Thermometer should be washed before and after each use, preferably with an antiseptic solution
3. do not wash the thermometer with hot water
4. ensure that before use the mercury level is below $${35}^{o}C$$
5. Read the thermometer keeping the level of mercury along the line of sight.
6. Handle the thermometer with care, as you handle any glass articles
7. Don't hold the thermometer by the bulb while reading it.