| 1. | Use a triangular file to mark the cutting line on the stock.
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| 2. | Small triangular files are also used to sharpen hand saws.
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| 3. | He used no more than a rasp, triangular file and sandpaper, never measuring, never drawing plans.
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| 4. | Hand saws are sharpened with small, triangular files.
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| 5. | Other workers recommend deeply scoring the cannula with a triangular file, then sharply snapping the weakened section.
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| 6. | A knife file is a type of triangular file that looks a lot like a flat file.
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| 7. | Starting with the first tooth leaning toward you, make two or three passes with the triangular file.
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| 8. | Triangular files have three tapering sides.
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| 9. | The teeth were sharpened with a triangular file of appropriate size, and set with a hammer or a wrest.
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