The next phase in facing technology was the use of invisible-to-the-eye phosphorescent inks in the stamps themselves, rather than relying on contrast. This improved machine could only process ...
In real-world Japan, you can find special stamp machines at Shinkansen Bullet Train stations, underground stops, temples and tourist attractions, which you can use to mark a notepad or scrapbook ...
The Food and Beverages Association of Ghana (FABAG) has asked the Ghana Revenue Authority to avoid the introduction of new machines for the excise stamp system. It said that its members are ...