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Resembling a well-worn IBM 029 keypunch ribbon
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A good needle-nose tweezer works wonders
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Most of the VBE variation comes from temperature differences
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The mirror passed maybe a foot away from my shoulder
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If you’re bright enough to notice the problems, they won’t waste any time on you.
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The wavy upper line shows the stiction as the Z axis drops in 0.1 mm steps
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It’s spot on for all weights above 1 g
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It’s definitely not a low-friction / low-stiction drag knife holder
The Smell of Molten Projects in the Morning 