My specialization is engineering.
The engineering class at Harvard University was excessively difficult.
I’d be perfect for this job, but I need an engineering degree in order to apply.
Someone with the study of industry is someone who creates things. That would be the study of engineering.
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.