Because of its ability to flow and expand as it warms, mercury has been used in thermostats and thermometers for over 40 years.
Little Maintenance & High Precision
Thermostats containing mercury require little maintenance and are highly precise. Glass thermometers are equally accurate but are also incredibly fragile. Digital versions of both of these items are just as efficient and accurate as their mercury containing counterparts, but are much safer for humans and the environment alike.
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