Black ink
Using black and blue ink shows proffesialism, because your work will look more neat and professional when avoiding the use of colored ink. So when writing a formal letter by hand use black or blue ink.
Well You only use the black ink, And the printer provides most of that i would use color
Bookkeepers used ink to record the money of a company. They use red ink for negative numbers and black ink for positive numbers. When a company is in the black it is making a profit.
Yes they used it to write. They are credited with inventing black ink.
only if you use blood red
You can use the filter paper or chromatography paper to separate the different components in black ink.
Black ink may be made in a wide variety of ways, the easiest is simply to use finely divided carbon black particles (e.g. from soot) in which case the only color in the ink is black.
The printer uses ink to print . There are two types of ink. One is black and white ink, and the other one is colored ink.
black
Let me guess...you have a bottle of black ink and you want to do a red tattoo. The ONLY way you can do a red tattoo is to use red ink. No amount of dilution will make black ink red.
photo black ink is more expensive