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Description: এয়ার কুলার কেনার আগে ভিডিওটা অবশ্যই দেখবেন | How Does Air Cooler Work Like comment and share this video with your friends. Please don't forget to subscribe to my channel. ►For any help: facebook.com/dbfoundation.bd ►Like our Page: facebook.com/dbfoundation.bd ►Follow Me: facebook.com/afnanal.yasin Also, Subscribe my other channels: youtube.com/c/ictuniversitybengali Thanks for watching our video......