Stapler:
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Pressing a button on a ballpoint pen
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Rubber stamp
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Put the ballpoint pen on the table
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Remove eraser by hand
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Scripture with ballpoint pen
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Apply tape to tape
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Hole puncher
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Take out a pencil from the pile.
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Chalk writing on the blackboard
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Electric pencil sharpener
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Put the cap on the marker
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Click on the calculator buttons
★★★★★