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Dr. Md Rushad Rahman
এমবিবিএস(আরপিএমসি)
,
পিজিটি(মেডিসিন)
This depends on the type of granite that you are working with. Natural granite will require a special sealer to protect it; without this sealer, it will scratch. Composite granite, however, is resistant to scratching and does not require a sealer.
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