What should be used to process the wood in pulp mills mechanically?
A) Grinder
B) Chipper
C) Chemicals
D) Digester
Answer: A
Explanation: A) Correct. If the fibers are separated mechanically, a grinder processes the wood.
B) Incorrect. If the fibers are separated chemically, a chipper processes the wood.
C) Incorrect. Wood is treated with boiling chemicals after the digester processes the wood.
D) Incorrect. A digester is used to process the wood after the chipper.
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