Answers

2015-07-05T15:22:06+05:30
So that it should come to lowest temp. otherwise it will show the wrong reading as thermometer will attain room temp. 
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2015-07-05T15:25:21+05:30
To reduce the temperature of the thermometer below room temperature and to clean it well, as well as sanitize it
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to make the thermometers temperature normal otherwise it will acquire the wrong temoerature