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