Multiple Choice
The distance between the inner cone and the metal ideally should be ____.
A) 1/16 to 1/8 in.
B) 1/8 to 1/4 in.
C) 1/4 to 3/8 in.
D) 3/8 to 5/8 in.
Correct Answer:

Verified
Correct Answer:
Verified
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