A new kind of module keyboard for desktop computers that separates keyboard components into two groups. The portion of the wiring layer which correspond to the conductor is exposed from a protective film, or an external connection terminal is bonded to the top of the pad portion. An asphalt emulsifier may be included in the binder to manufacture asphalt stabilized road base. The light emitting means is in communication with a power source, preferably a battery. In another embodiment, the moisturizing agent is oil.