Noun and する verb
こうじ
きのうてつ夜で仕事だったんですが、朝から工事の音がうるさくてぜんぜんねむれてないんです。
I worked all night last night, but I haven’t been able to sleep at all because of the loud construction that started this morning.
町中で一日中工事しているので、通行止めだらけでいやになるよ。
Because there's construction going on all day, all over town, there are roads closed everywhere and I'm sick and tired of it.
この工事は今日終わったんですよね？
This construction finished today, right?
Industry actions are things industries do. The actions of industry create a lot of construction, whether it be the construction of items or the construction of roads, factories, and more.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.