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The top documents tagged [reservoir of ink]
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reservoir of ink
Ssk 1204 project n°2 The “Genius” pen. Team identification The Geniuses.
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A ballpoint pen. How does it work? In the tip of the pen there is a small metal sphere. One internal tube filled with a viscous ink is above the ball.
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A ballpoint pen
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Ssk 1204 project n°2
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