["< sod > a'''fail - safe'''infrastructure is a device or practice that, in the event of a specific type of [ [ our failure causes | failure ] ], responds or results in a way that will cause instantly no harm, or at least minimizes harm, to other devices or to equivalent personnel. < eod > < sod > a'''fail - safe'''architecture in engineering is a device or established practice that, in just the event of developing a sufficiently specific type of [ [ failure causes | failure ] ], inherently responds or results in a way that will cause no or minimal harm, to other equipment, the environment or especially to people. < eod >"]