normal operating two or three delays already have a whole series of consequences making use of the service under normal operating conditions more and difficult alone if
Under normal operating conditions, two or three delays already have a whole series of consequences, making use of the service under normal operating conditions more and more difficult, let alone if there is the additional problem of external weather events or something like a volcanic ash crisis; the situation then becomes one of utter chaos.
Under normal operating two or three delays already have a whole series of consequences, making use of the service under normal operating conditions more and difficult, alone if there is the additional problem of external weather events something a volcanic ash crisis; then becomes one of utter