| 摘要 |
The present invention relates to a method to build a road sign and, more specifically, to a method to build a road sign, capable of improving the retroreflection efficiency or transparency of a glass bead by removing a road sign composite, attached to the surface of the glass bead, while improving adhesion of the glass bead, as compared to a method to additionally scatter the glass bead to the road sign, by mixing and spraying the road sign composite and the glass bead. |
