Click on the calculator buttons:
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Put the ballpoint pen on the table
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Chalk writing on the blackboard
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Pressing a button on a ballpoint pen
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Throw a pencil
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Rubber stamp
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Stapler
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Removing the ballpoint pen cap
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Seal, closes, pad opens
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Ballpoint pen machine, write, press a button
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Marker writing
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Pressing a button on a ballpoint pen (on a
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Tape holder, tape over carton
★★★★★