This removes the risk of an explosive atmosphere in the tanks.
In an explosive atmosphere, pressure seemed to rise for the Guild to make some agreement.
Since their operation produces an open spark, these devices should never be installed where an explosive atmosphere may develop.
She sensed a strained explosive atmosphere between them as they exchanged small talk.
Because their vapor detectors indicated an explosive atmosphere, the two were ordered to evacuate.
"Going armed in that kind of explosive atmosphere is a damned fine idea, actually, so long as you keep your wits and remember your training."
Zone 0 and 20 are the zones with the highest risk of an explosive atmosphere being present.
To someone like me, a layperson in the field of explosive atmospheres, this could mean anything.
The directive is extremely important and concerns workers in particularly hazardous places who are exposed to explosive atmospheres.
His main focus during the 1950's and 60's, though, was on the explosive political atmosphere surrounding racism in America.