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Dr. Md Rushad Rahman
এমবিবিএস(আরপিএমসি)
,
পিজিটি(মেডিসিন)
The balloon is only a starter part, so once the papier mâché has hardened, it's no longer needed. Popping it now also prevents it from doing a surprise pop later -- imagine the fright if that happened during a science fair!
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