Removing the ballpoint pen cap:
-
Chalk writing on the blackboard
-
Click on the calculator buttons
-
Put ballpoint pen on paper
-
Remove eraser by hand
-
Seal, pad opens, closes
-
Put the cap on the marker
-
Putting on the ballpoint pen
-
Pressing a button on a ballpoint pen
-
Take out a pencil from the pile.
-
Hole puncher
-
Stapler
-
Crunching paper rustling
★★★★★