Provided herein are herbicidal compositions and methods employing combinations of a compound of formula :or an agriculturally acceptable salt or ester thereof and flurtamone. The switch machine includes a switch stand adapted to be connected to the railroad switch points. The projection shaft extends in a direction transverse to the elongate shaft assembly and includes a second gear element disposed on its proximal end portion. A processing fluid is introduced onto the top or bottom surface of the wafer, or onto both surfaces, at a central location.