For similar reasons as any other field, to measure temperature. They are most often portable Mercury or alcohol filled, sealed and graduated glass thermometers.
In normal and some medical thermometers Mercury is used. That is why you may want to consider using electric thermometers which are more commonly used. They use no mercury.
There are 34 different types of thermometer that range from alcohol thermometers and ear thermometers to medical thermometers and electrical resistance thermometers.
In the medical field, thermomaters are used to take the temperature, which can signal if you have an infection(body warms up from white blood cells fighting the infection), and many other uses
Laser thermometers can be found at numerous places online. It depends on which type of laser thermometer that you are looking for. You have culinary thermometers and medical thermometers. Most medical sales sites will have these, as well as culinary stores.
Mercury is used in thermometers.
Mercury thermometers are rarely used, except in lab thermometers. For human use, they have been replaced by dyed alcohol glass thermometers, or electronic digital thermometers.
the thermometers which are used to find your temperature
In the medical field, iron is used in supplements. It is a chemical known to combat iron deficiency or anemia.
MERCURY is commonly used in thermometers designed for medical and elevated temperatures, and ALCOHOL (with a coloured dye) is used in medical and very low temperature thermometers. Both these use glass tubes. Very high temperature thermometers contain Gallium, which is a liquid at room temperature, in a quartz tube.
Low melting Gallium alloys are used in some medical thermometers. Gallium arsenide is used in light emitting diodes and solar panels
yes.
Mercury is not used in thermometers, because mercury is poisonous.