The artist decides, because whatever they want can be art
Answer:
You would most likely use burin when you want to make a wood engraving.
Explanation: Burin is a tool used by people who make woodcuts. It has a shaft and a pointed diamond-shaped tip that facilitates this work.
Made (mostly) by strung instruments, such as piano and violin.
NCIS!!!! Oh I love that guy but he was fired