| 摘要 |
<p>A disaster prevention building material which comprises a figure or pattern, which is indicative of direction, position and the like, and is formed of a luminous material or a fluorescent material or the both materials. The luminous material and the fluorescent material are driven or inlaid into a base material, which contains at least an inorganic material or resins as its constituents, to be integral with the base material.</p> |
