| 摘要 |
The method involves applying to a surface of a plate, which is intended to be the front of the plate, a light-reflecting film to form a composite, depressing, from the surfac intended to be the front of the plate. Then applying a removable coating on the depressed characters. Then coating the entire composite with a permanent paint and removing the removable coating and paint from the depressed characters, so that when the characters are viewed from the front. The characters retain their original reflective characteristics. |
