Answer: C. Before beginning the engraving, the artist must apply a thin layer of acid to the metal surface on which the engraving will be done.
Explanation:
Just express yourself say how you feel about music be you.
Explanation:
Commedia dell'arte, a traditional Italian form of physical comedy, uses masks and often they appear in Elizabethan and Restoration comedies, where a character might use one as disguise. In Greek theatre the actors all wore exaggerated masks to communicate character.
