Title: Capacitor.
Question: How can electrolytic capacitors be safely used after having been stored unused for a long time?

Title: BeiDou Navigation Satellite System.
Question: When did the BeiDou-2 begin construction?

Title: Communications in Somalia.
Question: What is the commercial capital of Puntland?

Title: States of Germany.
Question:
Every urban district is what in its own right?