はいえん
Noun
1.
smokestack smoke, flue gas, factory smog, exhaust gas
Noun, Participle, Verb, Transitive, Intransitive
2.
smoke extraction, smoke ejection, smoke dispersal
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自動車の排煙には有害物質が含まれている。
Car exhaust contains harmful substances.
火災発生時には、排煙設備が作動し、建物内の煙を外部へ排出する。
In the event of a fire, smoke extraction equipment activates to discharge smoke from inside the building to the outside.
産業革命以来、大量の排煙が大気汚染の主要な原因となってきた。
Since the Industrial Revolution, large amounts of exhaust smoke have been a major cause of air pollution.
環境規制の強化により、企業は排煙処理技術の改善を迫られている。
Due to stricter environmental regulations, companies are being forced to improve their smoke exhaust treatment technology.
Kanji that make up this word
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