A fuel vapor treatment apparatus includes a canister, a fuel vapor supply tube and a booster pump. The method further includes transmitting the composed downlink control information to a relay node over a wireless link that comprises a backhaul link from the relay node. An operator adjustable torque control input device provides an output signal. At least one column support assembly is mountable to at least the first and second columns to enable them to move with respect to the floor. In one aspect, a same interface is used to communicate with both conventional batteries and improved batteries having increased monitoring capabilities. The triggering-means and the bite-indication-means may be in communication with each other via the circuit.