She is making a fabric using a new loom.

He was able to solve the complex calculation quickly.

He was calculating in his head.

He loves science classes.

He is an expert in computational linguistics and is involved in the development of artificial intelligence.

He has expert knowledge.

He is studying computer science at a specialized school.

He is a specialist fool, with no interest in anything outside his field.

He couldn't say anything about issues outside of his field of expertise.

There are many different specialty stores in this town.