A canopy has also been featured which protects baby from outside elements. (toptenstrollers.com)
In other situations, the ribs may simply fail to act as a protective barrier, allowing dangerous outside elements into the body. (socalpersonalinjurylawyer.com)
If your door is old and no longer does its job — efficiently trapping heat or cooled air, while keeping outside elements out — then it's time to buy a new door. (moneysense.ca)