In a communication apparatus having a transmission-power control function of controlling transmission power, the operation state of the communication apparatus is determined. As a code method of the program is received for compiling prior to execution, a check is performed whether program execution is in class loading phase. The system further includes a processor in communication with the voice transducers and video camera. The dielectric layers are patterned, and a dense dielectric layer deposited conformally over the substrate. This water will either be drawn into the stem through the minuscule gaps, such that it will flow directly into the poultry’s mouth, or this water will adhere to the outer surfaces of the stem to attract poultry and allow poultry to drink the water thereon.