The road supports the development of the socioeconomy as the most fundamental social capital. We will contribute to improving our lives. Among them, "pavement" the surface of the road provides the safety and comfort of traveling, the formation of townscape and improvement of living environment. It is closely related to residents’ lives. In Japan with Sugawara Industry there is no choice but to depend on imports for resources that are the raw material for only small island countries. Therefore, the researchers of the previous generation have focused on reusing things that exist.