﻿WEBVTT

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Turn on the thermometer and place it in the volunteer's mouth.

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Ensure it is under the tongue, next to the frenulum.

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Instruct the volunteer to close their lips, 
but not teeth, around the thermometer.

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Wait until a stable temperature is reached.

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Note that a digital thermometer usually gives a signal (beep)
when a stable temperature has been reached.

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Remove the thermometer from the mouth.

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Record the time taken to reach a stable temperature in the table.

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With the same volunteer, repeat with any other
thermometers you may have.