Durability and Security
In the late 20th century, particular attention has been paid by ink manufacturers to the durability of their products against the effects of time, moisture, and efforts at forgery or falsification.
Read more about this topic: Fountain Pen Ink
Famous quotes containing the word security:
“It is hard for those who have never known persecution,
And who have never known a Christian,
To believe these tales of Christian persecution.
It is hard for those who live near a Bank
To doubt the security of their money.”
—T.S. (Thomas Stearns)