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Dr. Md Rushad Rahman
এমবিবিএস(আরপিএমসি)
,
পিজিটি(মেডিসিন)
You can use turpentine or other plant-based oils like walnut, linseed, or sunflower oil for a smoother transition. Just put a little oil on a cotton swab, Q-tip, or cloth and rub it along the drawing.
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