1.   Inside the pressurized chamber, a patient breathes pure oxygen.

2.   Bemis wants to organize an expedition next year using commercial divers, who could work for hours by using a mixture of gases and resting in pressurized chambers.

3.   Earlier this year, faculty at the University of Buffalo studied sheep that were placed in a pressurized chamber.

4.   The pressurized chamber will be used by astronauts and cosmonauts as a spacewalk dressing room and a portal into the vacuum of space.

5.   The U.S.-built air lock, a pressurized chamber, will allow station astronauts to conduct spacewalks in U.S.-made spacesuits without aid of a shuttle.