A change-gear transmission having an input shaft, a main shaft having at least one main shaft gear, a plurality of countershafts spanning between the input shaft and main shaft gear, and gear synchronizers between selectable gears. Each neighboring node has multiple channels on which a data packet can be received at a particular time according to a channel-hopping receive schedule. A second hinge system hingedly couples the second section to an attachment member assembly, which is connected to the cargo box, to permit pivotal stacked nesting of the combination of the first and second sections relative to the third section. A well region is provided in the drift layer and has the second conductivity type. The second processing decision path can output a processing decision faster than the first processing decision path for packets that match one or more particular packet flow parameters contained in the table. The hair detergent composition provides rich foaming during shampooing and at the same time is capable of giving excellent conditioning effects and luster to the hair.