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Christmas Holiday background with snow, fir tree gift box and decorations with christmas light behind. Christmas balls on a winter festive background.
Experienced chemistry teacher handing out tests to her attentive high school students. Education lifestyle concept.
Kid with an aggressive form of hives, nettle rash on back. Child with inflamed ear on white background scratching skin. Red, itchy welts common in children's allergic skin reactions.
Rotating circular arrows animation on a black background

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