Electric pencil sharpener:
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Tape holder, tape over carton
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Removing the ballpoint pen cap
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Crunching paper rustling
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Pencil writing on paper
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Write, press a button, Ballpoint pen machine
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Pressing a button on a ballpoint pen (on a
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Pen writing
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Pen Writing, Ink Dipping
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Manual pencil sharpener
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Pressing a button on a ballpoint pen
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Remove eraser by hand
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Stamp, Plastic seal
★★★★★