a) Who invented the indelible ink and when was it
first used?
b) What is the composition of the indelible ink?
c) Elaborate on its application and international use.
d) How long does the ink last on the finger and why?
Answers
Answered by
1
Answer:
a) Dr M.L Goel is the father of indelible ink.
It is first use in 1962
jahnaviyelleswarapu:
please answer the others tooo
ok
Similar questions