Ventilation
Noun and する verb
はいき
自動車の排気ガスの臭いが好きなのは、私達の共通点ですね。
Liking the smell of the automobile exhaust is something we have in common.
The reject energy that you push out of a machine is exhaust. It can also be ventilation, since this is the air coming out and being rejected out.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.