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  • Oldmann55 commented on Paige Russell's instructable 10 Unusual Uses for Pencils10 months ago
    10 Unusual Uses for Pencils

    We use them to keep our model railroads running at exhibitions. First the track is cleaned with an eraser, then the rails are rubbed over with the "lead" (graphite) and finally we clean up the crumbs with a small vacuum cleaner! The end result is a railroad that runs all day without stuttering on dirty track!

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