Assertion: crowbar | /r/ObjectUse | used as any of the three lever classes
Facets:
Source sentences:
text: Crowbars can be used as any of the three lever classes but the curved end is usually used as a first-class lever, and the flat end as a second class lever.
text: Crowbars can be used as any of the three lever classes but the curved end is usually used as a first-class lever, and the flat end as a second class lever.