Henry Bessemer was an inventor and engineer from England. Not only  did he develop the Bessemer process for steel manufacturing, but he  also designed a machine that could mâ¦ake bronze powder.
The head-tilt/chin-lift is the primary maneuver used in any patient in whom cervical spine injury is not a concern. The simplest way of ensuring an open airway in an unconscious patient is to use a head-tilt/chin-lift technique, thereby lifting the tongue from the back of the throat.
airway airÂ·way (Ã¢r'wÄ') n. Any of the various parts of the respiratory tract through which air passes during breathing. A device used to gain an unobstructed route to convey air into and out of the lungs during general anesthesia or when the respiratory passage is blocked.