Electropolymerizable monomers of the formulas . The mobile machine may also include power-system controls that control the connection of the one or more electric propulsion motors to the power-transfer system. The optical connector cleaning tool further includes a slide spring which biases the pressing member forward, and a transmission mechanism which transmits an action of the pressing member to the winding bobbin. A second copy of the digital content encrypted using a second protection scheme is sent to the user if the user is a rightful owner of the first copy. Each cost of the processing elements and the updating elements is initialized by 0 in an initial operation stage. Two axially spaced circumferentially continuous parallel ribs 14 straddle the tire centreline and project radially beyond the block tread pattern to improve ride quality on a smooth road surface.