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