Chalk writing on the blackboard: Listen & Download Chalk writing on the blackboard .mp3 Error! Change your browser, please! ⇓ Download Putting on the ballpoint pen ⚠ Seal, pad opens, closes ⚠ Put the cap on the marker ⚠ Tear off tape ⚠ Crunching paper rustling ⚠ Stapler ⚠ Pen writing ⚠ Stamp, Plastic seal ⚠ Put the ballpoint pen on the table ⚠ Hole puncher ⚠ Click on the calculator buttons ⚠ Removing the ballpoint pen cap ⚠ ★★★★★
