blackboard chalkboard with grey blue color shadow white background |
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| navigate by keyword : graphic banner abstract border green empty old frame wall information back write blank object poster education chalk drawing template concept board teach class billboard wood horizontal design business menu classroom copy chalkboard white message space black dirty textured vector school study university dark texture isolated surface blackboard sign lesson grey blue color shadow background |
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| Blackboard, Chalkboard with grey blue color with shadow on white background. |
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