Health-care workers say that the respirators are uncomfortable and more difficulttowear than face masks, and that they make it hard to speak with patients, among other problems, he explains.
High temperatures can make transportation difficult and prove deeply uncomfortable for soldiers, especially if they have towear special suits to protect themselves against chemical or biological weapons.
In a world where smartphones are getting bigger and bigger, it could be difficult for Apple to go in the opposite direction and release a phone that is small enough towear.