hand holding megaphone against blackboard education and broadcast concept |
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| navigate by keyword : broadcast hand holding megaphone blackboard education gray announcement speaker communication message arm person chalkboard concept texture alert warning school teaching speaking tool loudspeaker advertising promotion attention noise handheld grip classroom black background copy space side view closeup horizontal equipment |
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| hand holding a gray megaphone against a blackboard background. The blackboard is slightly textured, and the image focuses on the megaphone and the hand gripping it |
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