nothing to it. Flooda chamber wirh pure nitrogen (you breathe 80% now); give it a few minutes, they go to sleep and don’t wake up. A more common industrial accident than should happen.
XINXIANG CITY, CHINA. JUNE 9, 2014 – A lost cell phone has left two people dead and several others injured in China.It happened after a woman dropped her new cell phone into an “open pit” toilet, according to the South China Morning Post.
When her husband tried to retrieve it from the pit, which was knee-deep in sewage, he was knocked unconscious by the smell. His mother went in to rescue him and also fainted.
The woman, her father-in-law and two neighbors also jumped in and all fainted.
All six people were rescued when neighbors lower a rope into the pit. The woman’s husband and mother-in-law died at the hospital. Two others were also hospitalized.