Assertion: tower crane | /r/CapableOf | use hydraulic-powered jack frame
Facets:
value: to raise themselves
type: PURPOSE
Source sentences:
text: Tower cranes can also use a hydraulic-powered jack frame to raise themselves to add new tower sections without any additional other cranes assisting beyond the initial assembly stage.
text: Tower cranes can also use a hydraulic-powered jack frame to raise themselves to add new tower sections without any additional other cranes assisting beyond the initial assembly stage.