Footage filmed by a passenger shows terrified people praying and some oxygen masks lowered with damage inside the cabin minutes before the plane crashed and broke apart in Kazakhstan, with 42 ...

Oxygen masks on the Embraer EMBR3 jet flying from Azerbaijan to Russia were seen in the cabin before the crash near the city of Aktau in Kazakhstan. Video credit: Social Media Russia's Neighbor ...

He also said he had uncovered serious problems with oxygen systems, which could mean one in four breathing masks would not work in an emergency. He said soon after starting work in South Carolina ...

This is why oxygen masks become essential. Oxygen masks introduce positive-pressure and force air into the lungs, which can counter the effects of hypoxia caused by rising altitudes and G-force. Today ...