| 摘要 |
An exposure/display tray comprises two essentially identical upper (2) and lower (1) tray halves where at least a substantial part of the horizontal face (3) of at least a portion of the upper tray half (2) is transparent, and each tray half (2, 3) on its upper side and/or underside is equipped with at least one watertight device (6, 6', 7, 7') running along or near the tray edge and around the whole tray, preferably of the tongue-and-groove type, where the male part is located on one of the halves and the female part on the other, and intermediate means for exposure and/or display of a message of a physical and/or electronic type, wherein the tray in the last-mentioned case in equipped with means/contacts for connection to batteries and display means for the electronic message. |
