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."
Answer:
Explanation:
Most modern clarinet bodies are made out of African blackwood (Dalbergia melanoxylon). ... Very occasionally, clarinets are manufactured out of silver or brass. The clarinet mouthpiece is made out of a kind of hard rubber called ebonite. The keys are usually made out of an alloy called German silver.
