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Dr. Md Rushad Rahman
এমবিবিএস(আরপিএমসি)
,
পিজিটি(মেডিসিন)
A door is considered a "flush door" when it's designed with plain, flat facings on both sides. The core can be solid, hollow, or stave, but if both sides of the door are a plain face, then it's a flush door.
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