1.

This_method_is_capable_of_very_sharp_images_and_is_utilized_for_printing_currency_and_certificates_with_fine_details._What_is_the_name_of_the_method?$

A. Zinc engraving
B. Aluminium engraving
C. Steel engraving
D. Copper plate engraving
Answer» D. Copper plate engraving


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