| http://www.w3.org/ns/prov#value | - Furthermore, in some embodiments an expandable gripper assembly 10 can be provided apart from an actuator 20 such that the expandable gripper assembly 10 of the VLG gripper described herein can be fit to existing actuators of existing tractors, for example single or double acting hydraulic piston actuators, electric motors, or other actuators.
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