Writing in green ink or a "green-ink letter" are terms that describe correspondence from obsessively eccentric people. The kind of folks that send letters to newspapers about aliens, armageddon, or the fake moon-landing.
A pen is a writing tool used to apply ink to the surface of paper.
charege head master use for green ink pen &sing
Green ink.
writing, like all ink
Ink-holder.
India ink is some black ink used for printing,writing, and drawing.
Ink
Writing paper is paper, which can be ruled or unruled, which is suitable for writing on with ink.
No you can only get ink poisioning, by only eating ink or putting it in a open cut.
ink
With invisible ink
Many ancient cultures had ink that was used for writing. The oldest empires to use ink were China and India.