A clutch couples a car door of an elevator car with a landing door of an elevator system, wherein the car door is movable with respect to the elevator car by a first actuator. The vehicle has a trailer including a semi-trailer body and a dolly mounted beneath the front of the semi-trailer body. Such compositions are well suited for the treatment of said diseases or conditions, and they exert an effect which is greater than sum of the effects of LMWH and LMWDS if dosed as single agents, i. During an emergency shutdown, in which the control rod carrying element is moved hydraulically via a pressure fluid, the flow resistance for the pressure fluid is reduced, when the control rod carrying element reaches the end position. T1, T2 and T3, k being an integer, the data of each register Ti is ANDed with a desired one of mask data, , and, and such ANDs are ORed to obtain desired permuted data. The method includes locating a focal point of a laser relative to at least one reference datum of a workspace, the focal point being where the laser produces machining.