Assertion: metallic mercury | /r/ObjectUse | used in dental fillings
Facets:
Source sentences:
text: Metallic mercury is used to produce chlorine gas and caustic soda, and is also used in thermometers, dental fillings, and batteries.
text: Metallic mercury is used to produce chlorine gas and caustic soda, and is also used in thermometers, dental fillings, and batteries.