Permanent paper will last for several hundred years without significant deterioration. With a pH level of 7.5 or above, permanent paper grades are groundwood free with additional strength and performance properties that guarantee its use and retention for a maximum period of time. How does the acid get in the paper? The art of papermaking dates back several thousand years to around 3,000 BC, when paper was originally made from papyrus. Through the centuries and in different regions of the world, materials such as sheepskin, bamboo, silk, hemp and more recently, cotton rags took the place of papyrus.
[Warning: This story contains spoilers from Wednesday's Arrow, Eleven-Fifty-Nine.] Laurel Lance's (Katie Cassidy) death on Arrow may be controversial when it comes to the comic book source material, but her portrayer understands why Black Canary ended up in the flash-forward grave on The CW series.
New Characters. 1  Alexandra played by Sarah Claire Alan has been confirmed via Twitter. 2  Constance (Jordan Monaghan) She knows the power her charm, and she will immediately catch the eye of Prince Charles. 3  William Cecil (Tom Everett Scott) A trusted advisor to the English Queen.