Conversely, copyright bills, normally printed on more cost-effective paper like wood pulp, take in the ink immediately, resulting in a dark brown or black mark. This speedy shade improve serves as a strong indicator of probable counterfeiting. Some equipment occur with created-in pens that may detect copyright bills by reacting https://hong-kong-dollar-10021098.blogminds.com/little-known-facts-about-copyright-bills-canada-35615910