1.   If a mass of black ink has landed on the page, start breaking up that paragraph.

2.   Liz had a calendar and she crossed off the days in black ink.

3.   Please fill in the application form in black ink.

4.   Please write in black ink.

5.   The letter was handwritten in black ink.

6.   The colour inkjet printer uses cyan, magenta and yellow inks plus black ink.

7.   Although an equal mixture of the three subtractive primaries will, in theory, produce black it is normal practice to use a separate black ink.

8.   If all three colours overlap then a black dot is printed from the black ink reservoir.

9.   A profit of eight pounds and fourteen shillings, she wrote in thick black ink neatly on the bottom line.

10.   Also written in indelible black ink are police investigator markings logging the number and location of the holes.