прихована / неявна відмова
hidden area
amount of traces left by a military object (to be hidden)
hidden tang
hidden tang knife
runway hidden hazard
hidden flight hazard
hidden ambush position
deliberate failure
mean time between critical failure (MTBCF)
failure modes, effects, and criticality analysis
failure requiring overhaul
failure to control or report dangerous fire
bearing failure
failure to extract
failure to return to battery
heat-break failure
intelligence failure
aircraft electrical failure
chance failure
complete failure
dependent failure
externally caused failure
failure detection
failure quota
flutter failure
fuel system failure
gradual failure
hydraulic failure
hydraulic pressure failure
mechanical failure
minor failure
multiple failure