Fluoridation is a part of chemical reactions, a process where fluorine combines with other elements.

Our company is increasing efficiency by digitizing operations.

He needed a copy of the document.

I plan to study abroad in Germany next year.

I am studying German language.

He has a collection of old Deutsche Mark coins.

My grandfather came from East Germany.

The Teutonic Knights were a military monastic order active in medieval Europe.

He is known as an expert in Oriental studies.

I buy a new book at the bookstore every week.