To provide novel carboxamides which exhibit an excellent pesticidal activity as pesticides. Between two data operations in a network device is a FIFO queue, which is used to separate the clock domains of the data operations. The mobile station includes, in the uplink signal, data indicating the preferred base station for transmitting the subsequent downlink signal to the mobile station. Within each wick appliance the section of wick therein is formed into a wick contraction.