Ballpoint pen machine, press a button, write:
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Remove eraser by hand
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Chalk writing on the blackboard
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Stapler
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Scissors cutting paper
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Removing the ballpoint pen cap
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Tape holder, tape over carton
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Pressing a button on a ballpoint pen
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Crunching paper rustling
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Pressing a button on a ballpoint pen (on a
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Pencil writing on paper
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Hole puncher
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Click on the calculator buttons
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