why is it advised not to hold a clinical thermometere from it top. I DONT WHAT I DONT KNOW OR LETTER PLS LET THE PEOPLE WHO KNOW HAVE CHANCE TO ANS
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When we have to measure temperature, bulb is touched with the surface. Bulb contains mercury or alcohol in it. Holding thermometer by bulb will cause mercury or alcohol to expand or contract, due to body temperature. Hence we will not obtain correct reading of tempreture.
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