Assertion: plumbing fixture | /r/HasAspect | trap
Facets:
value: in their drains
type: LOCATION
Source sentences:
text: All plumbing fixtures have traps in their drains; these traps are either internal or external to the fixtures.
text: Soil stack is connected to the sewer at the bottom and vented at the top, while each plumbing fixture has its own trap.