Assertion: trench | /r/HasProperty | a type of excavation
Facets:
Source sentences:
text: The Occupational Safety and Health Administration (OSHA) defines an excavation as any “man-made cut, cavity, trench, or depression” in the ground; whereas, a trench is considered a type of excavation in the surface level of the ground that is very narrow with “a depth that is greater than its width.