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Dr. Md Rushad Rahman
এমবিবিএস(আরপিএমসি)
,
পিজিটি(মেডিসিন)
If you just bought your Kanken, you may want to soak it before you use it to help keep the color from rubbing off on your clothes. Fill a bucket or sink with room temperature water. Place your Kanken in the water and keep it submerged for 30-60 minutes. Then, hang your backpack up to dry for a few hours before you use it and you're good to go!
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