An operator is working at a bench grinder. To comply with OSHA 29 CFR 1910.215, what are the maximum allowable openings for the work rest and the adjustable tongue guard?
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A
1/4-inch for the work rest, and 1/2-inch for the tongue guard.
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B
1/8-inch for the work rest, and 1/4-inch for the tongue guard.
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C
1/2-inch for the work rest, and 1/4-inch for the tongue guard.
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D
1/4-inch for the work rest, and 1/8-inch for the tongue guard.