Assertion: tractor | /r/HasProperty | designed with four-wheel turning
Facets:
value: sometimes
type: TEMPORAL
Source sentences:
text: To improve maneuverability, tractors are sometimes designed with four-wheel turning, adjustment of torque on the driving wheels, or relative rotation of the front and rear parts of the tractor (articulated-frame design).
text: To improve maneuverability, tractors are sometimes designed with four-wheel turning, adjustment of torque on the driving wheels, or relative rotation of the front and rear parts of the tractor (articulated-frame design).