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It is used to measure the depth of a small hole in the ground.
"Blood Alcohol Level" (BAL) is the concentration of alcohol in a person's blood. Blood alcohol content, or BAC, is most commonly used as a metric of intoxication for legal or medical purposes.
Normally the liquid used is either a spirit or another form of alcohol, which is where they get their alternate name, the spirit level.
Maybe a tube made of glass?Is there something more to this question I don't get?
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Alcohol
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A thermometer used to measure air temperature uses a glass tube filled with a liquid either alcohol or mercury. When the temperature increases the particles of liquid expand, filling the glass tub. Thermometers that are used to measure you body temperature uses infrared sensors.
a test tube rock is used to measure liquids
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An alcoholometer is a hydrometer used to measure the amount of alcohol in a liquid, such as beer.
Alcohol thermometres are used to measure very low temperatures (upto -112 degree celsius).
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alcohol thermometer is used to measure very low temperature.i.e.-112*c