Assertion: detector | /r/AtLocation | wall
Facets:
value: above the floor
type: LOCATION
Source sentences:
text: Because carbon monoxide is slightly lighter than air and also because it may be found with warm, rising air, detectors should be placed on a wall about 5 feet above the floor.
text: Because carbon monoxide is slightly lighter than air and also because it may be found with warm, rising air, detectors should be placed on a wall about 5 feet above the floor.