precautions while reading a clinical thermometer?

Clinical thermometer:

Precautions:

• Wash the thermometer before and after use with an antiseptic solution, and handle it with care.
• See that the mercury levels are below 35 degrees and don’t hold the thermometer near its bulb.
• While noting down the reading in the thermometer, place the mercury level along the eye sight.
• Do not place the thermometer in a hot flame or in the hot sun.