If such people should by any chance collapse in the street due to a fall in their blood-sugar level, other people will see the bracelet and know what their problem is and send them to hospital for the right medication and resuscitation.
萬一病患在路上因血糖缺乏而昏迷時，別人見到鋁鐲即知其病症，送醫後可及時給予藥物助其甦醒。