A flow control device includes a housing having a motor chamber and a pump chamber. A left dropout is removably connected to the bicycle frame at the left junction, the left dropout including a body defining an opening for receiving a rear wheel. Users associated with the client computer can establish communication with an audio server and configure audio communications with input and output devices connected to the particular audio server. The fabric may be used as a topsheet material on an absorbent article. The resulting carbon foam may be subsequently heated to elevated temperatures as great as 3200\xb0 C. The diffusing means are held in the area of the thickness or thicknesses of material.