Please, quote message and correct me if I'm wrong...Tnx!
External Equipment - Externe Geräte
Stern Buoyancy Tank - Hintere Luftkammer
Port Propulsion Transmission - Backbord Antriebsübertragung
Electric Engine Compartment - E-Maschinenraum Abteilung
Torpedo tubes - Torpedorohr
Variable ballast Tanks - Auftrieb Regel Tanks
Aft.Quarters(where bunks for petty officers are) - ??
Main Ballast tank 3 - Hauptballasttank 3