A metal file has become clogged with filings and should be cleaned with a file __________.

Official USCG Answer & Rule Citation

Correct Answer: Option B — card

A file card is a specialized wire brush designed to remove metal chips and debris lodged between the teeth of a file. Keeping a file clean is essential for maintaining cutting efficiency and preventing the file from scratching the workpiece, ensuring high-quality maintenance of shipboard machinery components.

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