| http://www.w3.org/ns/prov#value | - east one actuator means is a hydraulic cylinder, the hydraulic cylinder having a first end coupled to the frame and a second end coupled to the tool, the force exerted by the hydraulic cylinder upon the tool corresponding to the pressure of the hydraulic fluid contained within the hydraulic cylinder, the hydraulic cylinder being connected by a conduit to the source of pressurized hydraulic fluid,
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