| 摘要 |
<p>A method of manufacture of an identification plate comprises: advancing a transparent sheet material having an opaque material in contact with one major surface thereof to a printing station; printing indicia in reverse on the other major surface of the sheet material; and securing the printed sheet material to a substrate having a retro-reflective surface such that the printed surface is in contact with, or at least adjacent to, the retro-reflective surface.</p> |
