Stapler:
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Crunching paper rustling
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Manual pencil sharpener
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Remove eraser by hand
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Put the cap on the marker
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Scripture with ballpoint pen
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Scissors cutting paper
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Pressing a button on a ballpoint pen (on a
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Pressing a button on a ballpoint pen
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Click on the calculator buttons
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Throw a ballpoint pen on the table
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Tear off tape
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Eraser
★★★★★