In the pen head table catch. Should consider the following precautions1. Hold job centered most, unless the inevitable.2. Put the need to work near the mouth to catch as much as I can.3. Take tight enough. Don't force chasing too.4. Stamping parts, should use a pen repetition or rod supports under the workpiece. To prevent the moving targets while the hammer with a hammer.5. Stroke or lever, to cut a large piece is too of the target may be broken pen preserved the damage.
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