| Subject | English | Polish |
| weld. | external cooling system | system chłodzenia zewnętrzny |
| comp., MS | external delivery system | zewnętrzny system dostarczania (A system, such as Microsoft Exchange Server, that delivers formatted notifications to destination devices) |
| comp., MS | external source system | zewnętrzny system źródłowy (A data repository, such as a data warehouse, data mart, or OLTP system, that is outside a specific deployment) |
| comp., MS | External System | System zewnętrzny (A supported source of data that can be modeled by Business Connectivity Services, such as a database, Web service, or custom .NET Framework assembly) |
| gen. | integrated management system for external borders | system zintegrowanego zarządzania granicami zewnętrznymi |