Science onujaiye khaoar pore pani pan kora uchit noy j kono khabar khaoar minimum 15 - 30 minutes pore pani pan kora uchit er karon khaoar pore khabar gulo porikpak tontre probesh korte thake tai khabar sathe sathe pani pan korle poripak tontre khabar er sathe jol o mise jay tai poripak tontre khabar dhukte somossa hoy.Ai jonno e khabar somoy ba khabar khaoar sathe sathe pani pan kora ucit na . Dhonnobaad