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