A serial communication apparatus includes a slew rate control circuit, an output circuit, a detection circuit, and a switching circuit. As described in this disclosure, a financial institution receives checks drawn on other financial institutions as customer deposits. The outer layers are a transparent or semitransparent sheet material such as polypropylene, and the inner layers are a nonwoven fabric material made of a compatible polymer. A coverage problem with communication with at least one of the mobile terminal in the first sector is detected. It has been found that planar elements having a grooved or corrugated outer surface make for very good recapture elements for planar concentrator elements. In one embodiment, the composition is a non-Newtonian nasal spray exhibiting a very rapid viscosity recovery upon removal of shear forces.