Assertion: mercury | /r/ObjectUse | used in manometer
Facets:
value: because of its high density
type: CAUSE
Source sentences:
text: Mercury is used in thermometers, barometers, manometers, sphygmomanometers, float valves, mercury switches, mercury relays, fluorescent lamps and other devices, though concerns about the element's toxicity have led to mercury thermometers and sphygmomanometers being largely phased out in clinical environments in favor of alternatives such as alcohol- or galinstan-filled glass thermometers and thermistor- or infrared-based electronic instruments.
text: Mercury is used in barometers and manometers (instruments for measuring the pressure of gases and liquids), because of its high density.