| Vivid and lightproof ink, which is water based for normal, copy and fax papers. |
| A lightproof magazine for photographic film or plates is also styled a cassette. |
| But knowing me, I'll probably preserve it in its original box in a lightproof closet. |
| The brilliant lightproof colours of the paper Sirio Color contribute to the distinctiveness of the paper bag. |
| Accordingly, in the present invention, the size of the lightproof box is fixed in order to solve the problem. |
| Its high-density lightproof covering yields an essential improvement of the sound quality. |
