Assertion: crane | /r/CapableOf | use lever
Facets:
value: to lift significant weights
type: PURPOSE
Source sentences:
text: Cranes are machines that use levers and/or pulleys to lift significant weights.
text: Cranes use simple machines such as the lever which acts as the horizontal beam, the pulley which delivers force to the load, and the hydraulic cylinder which moves the beam and the jib in order to produce a more efficient and flexible mechanism to move loads.