While filing, you can prevent pinning by...

Question 1 / 205eccef9bbacbc34ba4d45146

Question 1 of 205eccef9bbacbc34ba4d45146

While filing, you can prevent pinning by keeping the file clean and rubbing the teeth of the file with __________.

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Question 1 of 20

5eccef9bbacbc34ba4d45146

While filing, you can prevent pinning by keeping the file clean and rubbing the teeth of the file with __________.

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🔍 Key Concepts

• Pinning on a file (what it means and how it affects metalwork) • Materials commonly used to keep tools clean and reduce metal particles from sticking • Properties of oil, chalk, talc, and graphite when used on cutting or filing tools

💭 Think About

• Which substance is most likely to fill tiny gaps between teeth and help metal chips break away instead of sticking? • Which options are powders versus lubricants, and how would that affect how filings stick to the file? • Think about what machinists and mechanics traditionally rub on files before working on soft metals.

✅ Before You Answer

• Identify which choice is commonly used as a dry dressing on files in basic shop practice. • Consider which material would make the file too slippery and cause it to skid instead of cut. • Eliminate any substances that would tend to hold filings in place rather than help them fall out.

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Question 1 of 20

While filing, you can prevent pinning by keeping the file clean and rubbing the teeth of the file with __________.

light oil

chalk

talc

graphite

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