Black ink (typed and written) is the official color for ink used in the Navy for several reasons:
1. Blue and Red inks do not copy well (Xerox) when necessary.
2. Pencils are not allowed for official documents.
3. Red ink is used for document security classification and similar uses.
Not completely. You may still see the black ink through the navy blue, coloured inks are opaque meaning there is colour but you can still see darker colours throuhg them. The only thing that will cover black ink is black ink. But some times you can get away with hiding it in a cover up. Have a few consultations with a tattooist in your area and see if they can design a cover up tattoo for you.
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.
It is recommended to use black or blue ink for filling out a handwritten application for a scholarship to ensure readability and formality. Avoid using colorful inks or gel pens that may detract from the professional appearance of the application.
Well You only use the black ink, And the printer provides most of that i would use color
black ink
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.
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.