A directional bushing is provided for a pinned joint of an articulated structure such as a front end loader used with a work vehicle. The aggregation includes at least one annotation and at least one search term. The second yoke member 30, which has no stopper portion, is attached by press-fitting a second yoke fitting portion 33 into the inner circumferential part at the right end of the front pipe member 10. Receipt of the terminal frame including the no more data indication allows the station to return to power save mode without waiting for any timeout period and without risking missing a transmission from the access point. The adjustment circuitry further controls charge pump programmable current sources in order to set a desired operating point of the PLL. A pump between succeeding water separation units facilitates the transfer from a prior water separation unit to a succeeding water separation unit for further processing until the contaminated water is completely de-contaminated.