Pen writing:
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Removing the ballpoint pen cap
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Put the cap on the marker
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Chalk writing on the blackboard
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Apply tape to tape
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Press a button, write, Ballpoint pen machine
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Ballpoint pen
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Pressing a button on a ballpoint pen
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Tape over carton, Tape holder
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Click on the calculator buttons
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Putting on the ballpoint pen
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Eraser
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Tear off tape
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