Assertion: inverted siphon | /r/Synonym | trap
Facets:
value: in preventing smelly sewer gases
type: PURPOSE
value: for their function
type: CAUSE
value: commonly
type: TEMPORAL
Source sentences:
text: Inverted siphons are commonly called traps for their function in preventing smelly sewer gases from coming back out of drains and sometimes making dense objects like rings and electronic components retrievable after falling into a drain.