Answer: ERASING

AnswerCrossword Clue
ERASINGBoard monitor's task
ERASINGActivity at a board
ERASINGActivity of most puzzle constructors
ERASINGGoing back to the start
ERASINGCausing to disappear
ERASINGGetting off the tape
ERASINGWriting's opposite
ERASINGEffacing
ERASINGWiping the slate clean
ERASINGGetting rid of
ERASINGClassroom chore
ERASINGThe start of something new?
ERASINGTaking out, in a way
ERASINGProof of fallibility
ERASINGBlackboard chore
erasingERASE, to efface or rub out
erasingto eliminate
erasingto rub out
ERASINGCleaning the blackboard.
ERASINGWiping clean
ERASINGBlackboard user's activity, at times
ERASINGClearing the tape
ERASINGFrequent schoolroom activity
ERASINGScraping off.
ERASINGBlackboard cleaning.
ERASINGBlotting out.
ERASINGClearing the blackboard.
ERASINGDeleting
ERASINGObliterating.
ERASINGWhat mistakes need.
ERASINGWiping off.
ERASINGBlackboard chore.
ERASINGRemoving.
ERASINGRubbing out.
ERASINGSchoolroom chore.
ERASINGCleaning the blackboard