line chalkboard icon isolated black background school blackboard sign flat filled outline style with shadow vector |
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| navigate by keyword : blackboard chalkboard board chalk vector illustration blank education school background icon isolated shadow filled fill line linear outline contour classroom frame class flat empty object design space wood wooden sign template retro billboard copy banner business concept dirty lesson old back graphic study write learning teacher university rub |
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| Line Chalkboard icon isolated on black background. School Blackboard sign. Flat filled outline style with shadow. Vector. |
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