Disclosed are various embodiments for detecting and responding to attacks on a computer network. A controller reads the power of an amplifier twice. The heater base is cooled as a fluid whose temperature is lower than the temperature of the heater base is let flow in the fluid passage. In addition, the coform nonwoven web can be used in a variety of other articles such as wipes. The conversion portion is provided in the vicinity of the display area, at which the leading line is connected to another wiring layer. Thereby the control fluid either flows in one direction or another direction by means of using a two-position ONOFF solenoid for actuating a spool valve which controls the flow direction with the VCT phaser.