A bogie includes two pairs of wheels, the wheels of one pair being connected to one another by a shaft to form an axle, the axles being connected to one another by two half-chasses each having two side members connected to one another by a cross-member. The electrode assembly includes an ion permeable and substantially gas impermeable anode, a catalytic cathode, and a dielectric separator disposed between the anode and cathode. The temperaturehumidity detection device detects the surrounding temperature and humidity to generate personal temperaturehumidity data, which is displayed via the transfer module on the portable electronic device, and transmits the personal temperaturehumidity data to the data processing module. The diaper provides an upward holding force against the absorbent article in the crotch region to hold the article in close bodily contact.