heavy maintenance/repair

airframe repair / patch repair

patch repair / airframe repair

heavy repair shop

automatic heavy barrel rifle / heavy barrel automatic rifle

heavy-armored (heavy armoured)

maintenance and repair equipment

maintenance, repair and operation (MRO)

maintenance, repair and overhaul (MRO)

medical equipment maintenance and repair

aircraft maintenance and repair

maintenance and repair

air maintenance and repair ship

contingency maintenance / special maintenance

depot maintenance (beyond O and I level activities, performed in an industrial-type facility) / D-level maintenance

maintenance checks / routine maintenance, scheduled tasks

maintenance idling (periodic running of engine for maintenance purposes)

organizational maintenance (O-level) (day-to-day work that standard airfield maintenance groups perform in support of airfield operations)

routine maintenance / scheduled tasks, maintenance checks

scheduled tasks / routine maintenance, maintenance checks

special maintenance / contingency maintenance

battle damage assessment and repair (BDAR)

battle damage repair (BDR)

damage repair plan

joint robotics repair facility (JRRF)

major overhaul (repair)

major repair

mobile pipeline repair equipment (MPRE)

on-site repair

organizational repair

patch / repair a tyre

repair a loss

repair and refitting battalion