A pedal includes a pedal body carrying engagement members of a hooking element fixed below a cyclist’s shoe, as well as a casing containing a pedal axle adapted to be fixed to a pedal crank. These compounds and their pharmaceutically acceptable salts are useful in the treatment of a variety of psychiatric, pain and other disorders. The processor is configured to analyze each invoice that has been presented to determine whether the presented invoice satisfies one or more predetermined rules, and when the processor determines that the presented invoice satisfies the one or more predetermined rules, to automatically set a payment initiation date upon which payment of the presented invoice is to be automatically initiated. In response to a control signal from the central wind farm controller, the distribution device distributes the generated electrical power between the two power transmission links.