Therefore, the research scope must be expanded to the evolutionary process and mechanism of external disasters and the monitoring, and the prediction range must be moved forward to the source of external disasters so as to provide a longer early-warning time for blackout defense [11].
Through these efforts, the Chinese power systems expect to achieve coordinated and optimized comprehensive defense for insuring the security and stability of bulk power systems and prevent external disasters or accidental fault from progressing to power system blackouts [22, 23].
The appellation "short term medical missions" (STMMs) appears to have been informally adopted generally to distinguish these excursions from ad hoc responses to domestic or external disasters, compensated full-time relief practice such as MSF, military and other governmental relief expeditions and residency training programs [ 2– 4].
An idea of extending the scope of defence systems to external natural disasters is presented in [21, 22].
These risks include media failure, hardware failure, software failure, communication errors, network failure, media and hardware obsolescence, software obsolescence, operator error, natural disaster, external attack, internal attack, economic failure and organizational failure.
In such cases, the effectiveness of external assistance for disaster risk management is compromised.
In natural experiments, some external peculiarity, natural disaster, geography, or organizational irregularity assigns different people to different treatments or conditions.
Assuming we survive such manmade disasters, external peril may be averted by technology growing out of the brilliant feat of landing on a comet.
Moreover, those with serious health conditions may have limited social networks and higher dependency for external assistance in a disaster situation.
I was on a path to figure out how to get my family and businesses out of harm's way--to get them so successful that no economic crash, natural disaster, or external event could hurt them.
