Engineering
noun
Someone with the study of industry is someone who creates things. That would be the study of engineering.
こうがく
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.
わたしのせんもんは、工学です。
My specialization is engineering.
ハーバード大学の工学のクラスは目玉がとび出るほどむずかしかった。
The engineering class at Harvard University was excessively difficult.
僕はこの仕事にぴったりだと思うんだけど、応募するには工学の学位がいるんだ。
I’d be perfect for this job, but I need an engineering degree in order to apply.