- - Blackboard chore
- - Frequent schoolroom activity
- - Classroom chore
- - Schoolroom chore.
- - Time to be a chorister if wiping it out
- - Getting rid of time to celebrate
- - cleaning a blackboard
- - Removing a rat is beneath Her Maj
- - Time Carol is knocking off
- - Cleaning a slate
- - Clearing(Used today)
- - Removing completely
- - Expunging
- - Blackboard activity
- - Using part of a pencil
- - Taking off the board
- - Wiping clean
- - Teacher's activity
- - Celebrate after time obliterating memory
- - Effacing
- - Writing's opposite
- - Clearing the tape
- - Blackboard user's activity, at times
- - Deleting
- - Getting off the tape
- - Wiping the slate clean
- - Taking out, in a way
- - The start of something new?
- - Board monitor's task
- - Causing to disappear
- - Going back to the start
- - Activity of most puzzle constructors
- - Activity at a board
- - Cleaning the blackboard
- - Obliterating.
- - Wiping off.
- - What mistakes need.
- - Clearing the blackboard.
- - Blotting out.
- - Blackboard cleaning.
- - Scraping off.
- - Removing
- - Clearing
- - Getting rid of
- - Proof of fallibility
- - Rubbing out
- - Function of one end of a pencil
- - Losing the rubber prevents you from doing this
- - Removing errors
- - Making blank
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