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It is used in some thermometers in the form of an alloy of gallium, [[indium]], and [[tin]].  The reason this alloy is used in thermometers is because it’s a liquid at room temperature and therefore can be used as an alternative to [[mercury]], which is poisonous.
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It is used in some thermometers in the form of an alloy of gallium, [[indium]], and [[tin]].  The reason this alloy is used in thermometers is because it’s a liquid at room temperature and therefore can be used as an alternative to [[mercury (element)]], which is poisonous.
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