noun
smoke (from a chimney or factory); flue gas; exhaust gas
Refers to the smoke or gas emitted from smokestacks, factories, or industrial processes. Often used in environmental and engineering contexts.
工場の排煙が大気汚染の原因になっている。
Factory smoke is a cause of air pollution.
排
Equipment to remove harmful substances contained in flue gas was installed.
noun, noun or participle which takes 'suru', transitive verb, intransitive verb
smoke extraction; smoke dispersal; smoke ejection
Refers to the action or system of removing smoke from a space, such as in buildings, tunnels, or industrial facilities. Can be used as a noun or with する to describe the process.
火災時に排煙するための設備が義務付けられている。
Facilities for smoke extraction during a fire are required by law.
トンネル内の排煙システムが作動した。
The smoke dispersal system in the tunnel activated.