Words to Describe shutdowns

How shutdowns often is described ("________ shutdowns")

• nuclear
• regular
• planned
• faster
• spurious
• mine
• forced
• wide
• seasonal
• intermittent
• sudden
• partial
• automatic
• premature
• annual
• term
• unforeseen
• temporary
• accidental
• more
• graceful
• catastrophic
• normal
• experienced
• permanent
• end
• fewer
• persistent
• massive
• total
• serious
• costly
• scheduled
• short
• plant
• scale
• nationwide
• expensive
• lengthy
• periodic
• routine
• unexpected
• periodical
• frequent
• improper
• manual
• occasional
• long
• preventive
• impending
• day
• consequent
• extended
• infrequent
• related
• unpredictable
• unscheduled
• operational
• widespread
• youngstown
• possible
• unplanned
• unavoidable
• numerous
• successive
• future
• prior
• unnecessary
• complete
• flight
• subsequent
• major
• extensive
• false
• brief
• prolonged
• industrial
• previous