Maintenance
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The technical meaning of maintenance involves functional checks, servicing, repairing or replacing of necessary devices, equipment, machinery, building infrastructure and supporting utilities in indus
A tractor being mechanically repaired in Werneuchen, 1966
Field repair of aircraft engine (1915–1916)
Road repair
C-130J Hercules preventive cleaning at Keesler Air Force Base, Mississippi after a period of operation over the Gulf of Mexico (salt and moisture which lead to active corrosion require regular cleaning)
Aircraft maintenance
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Aircraft maintenance is the performance of tasks required to ensure the continuing airworthiness of an aircraft or aircraft part, including overhaul, inspection, replacement, defect rectification, and
Maintenance
…be retained in or restored to a state in which it can perform its required functions, using prescribed procedures and resources. In some domains like aircraft maintenance, terms maintenance, repair and overhaul also include inspection, rebuilding, alteration and the supply of spare parts, accessories, raw materials…
An Airbus A321 from Iberia having its CFM56 engine changed out
Technicians work on a Bombardier airplane in Dallas, Texas
Field maintenance on a Cessna 172 being conducted from a van used to carry tools and parts
Two aircraft mechanics servicing a rotary aircraft engine, 1918