In an RLS antenna, the present invention allows adjusting the optimum positional relationship between the feeder section of the feeder disk and the feeder section of the antenna disk, simply, quickly and at high accuracy by a visual check, so that mass production becomes possible, and an increase in performance and a decrease in cost are implemented. The robot includes a trunk, a pair of leg links coupled with the trunk in a swingable manner, an actuator group that swings each of the leg links independently to the trunk, and a controller that controls the actuator group. The VOC containing effluent is passed over the first reactor for adsorbing VOC, while the second reactor, which is loaded with VOC from the previous cycle is regenerated with part of the treated gas made up with an appropriate amount of air. Thus, each memory cell may effectively store three states: zero, one, and don’t care.