Firstly, some old wooden doors break very easily, if we Convert into an Old Wooden Door, then even we may break easily! Secondly, if we Convert into a Door, people may keep on ringing our door bell! Thirdly, some doors make a lot of creaking sound, if we Convert into a Creaky Door, our family will not be able to bear us for long! Lastly, some doors open automatically using sensors, if we Convert into a sensor-operated Door, then even we may start opening automatically!