How is the leaf used, and how is the needle passed through the leaf?
Md Ariful Islam
বিএসসি(সিএসই)
,
এমবিএ(মার্কেটিং)
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1 Answers
Dr. Md Rushad Rahman
এমবিবিএস(আরপিএমসি)
,
পিজিটি(মেডিসিন)
Set the needle on top of a floating leaf. The needle will turn the leaf with it.
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Answered