green school board for training education knowledge acquisition skills |
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navigate by keyword : acquisition blackboard blank board businessman chalkboard child class classroom college conference course design development education flat frame green hand idea illustration indoor innovation isolated knowledge learn lecture lesson manager people person professional research room school seminar skill student study studying teach teacher teaching training university vector wood wooden write |
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Green school chalkboard for training, education system, knowledge acquisition, skills acquisition. School lessons, hands on background of an empty green blackboard. Vector illustration. |
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