Seal, pad opens, closes:
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Press a button, write, Ballpoint pen machine
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Putting on the ballpoint pen
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Pressing a button on a ballpoint pen
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Plastic seal, stamp
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Pencil writing on paper
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Ink Dipping, Pen Writing
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Remove eraser by hand
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Throw a pencil
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Chalk writing on the blackboard
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Throw a ballpoint pen on the table
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Tear off tape
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Stapler
★★★★★