subsidence and failure. lack of strength and resources, drop in efficiency and productivity. tough section.

vulnerability weak erosion link insufficiency weakness exhaustion downturn degeneration decay unreliability fragility subsidence failure strength resources drop efficiency productivity tough durability collapse depletion constraint difficulty inefficiency inadequacy pressure hardship deficiency reduction downfall underperformance malfunction adversity stress recession impact disruption instability degradation fault defect breakdown frailty loss compromise susceptibility obstruction