The two categories they fall into is <span>additive and subtractive</span>
Answer:
"Matrices for printing types were made of copper. However, in printmaking the matrix is whatever is used, with ink, to hold the image that makes up the print, whether a plate in etching and engraving or a woodblock in woodcut."
<span>The setting, in time or space, surrounding the occurrence of a given event.
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