security ink 1

rzeczownikdomena: substancja
EnWordnet [ver.5.0]
AngielskiAngielski
Definicja

a substance used for writing, which is invisible either on application or soon thereafter, and can later be made visible by some means.

  • 1.Using either ultraviolet light or an iodine fume cupboard, messages can be quickly screened for invisible ink and also read without first permanently developing the invisible ink.

Projekt współfinansowany ze środków europejskich

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