PPE: Respirator Usage and Safety. A respirator is a personal protective device that is worn on the face. It covers the nose and mouth and is specifically designed to provide respiratory protection by forming a tight seal against the wearerâs skin. Respirators vary in their level of protection and efficiency to filter out airborne particles.
In 2003, Columbia disintegrated over Texas while returning from a 16-day trip to space. Later analysis found that a small bit of foam insulation that broke off an external fuel tank during launch had torn a hole in the orbiter's wing and led to the disaster. Gene Grush recounts the events from NASA's perspective.
The KLM plane smashed into the Pan Am jet igniting an enormous amount of jet fuel, engulfing much of both planes in fire. At first, emergency personnel didn't realize anything was wrong due to the thick fog. As visibility slowly improved, the scope of the disaster was finally seen.In the end, 583 people died including everyone onboard the KLM flight. On board the Pan Am plane, 61 people survived including the flight crew.t first, emergency personnel didn't realize anything was wrong due to the thick fog. As visibility slowly improved, the scope of the disaster was finally seen. In the end, 583 people died including everyone onboard the KLM flight. On board the Pan Am plane, 61 people survived including the flight crew.