Vital Safety

vital | adjective | 1. critical, absolutely necessary 2. performing and essential function 3. characteristic of life


Abseiler in toxic mine shaft: New Zealand

Abseiler rescued from toxic mine shaft
Otago fire crews wearing breathing apparatus managed to rescue an abseiler who was overcome by toxic fumes in a former mine shaft in Kaitangata, 6 miles south of Balclutha, 2 others in the party managed to raise the alarm.
The "black air" atmosphere of the shaft, last worked 35 years ago, may have featured pockets of methane gas. 

Source: SafetyNews (