Assertion: toilet seat | /r/HasAspect | some sort of silver
Facets:
value: in an antimicrobial coating
type: OTHER
Source sentences:
text: The closest I could get to a plausible explanation is that newer toilet seats apparently have some sort of silver in an antimicrobial coating, and that sometimes, something in human sweat can react in such a way that the silver oxidizes, taking on a bluish or purplish hue.