heavy maintenance/repair
капітальний ремонт
капітальний ремонт
airframe repair / patch repair
patch repair / airframe repair
automatic heavy barrel rifle / heavy barrel automatic rifle
heavy-armored (heavy armoured)
heavy-weight torpedo / heavy weight torpedo (HWT)
maintenance, repair and overhaul (MRO)
medical equipment maintenance and repair
aircraft maintenance and repair
air maintenance and repair ship