Maintenance may refer to:

Biological science

Maintenance of an organism Maintenance of an organism is the collection of processes to stay alive, excluding production processes. The Dynamic Energy Budget theory delineates two classes * Somatic maintenance mainly comprises the turnover of structural mass (mainly protein ...

Maintenance respiration Maintenance respiration (or maintenance energy) refers to metabolism occurring in an organism that is needed to maintain that organism in a healthy, living state. Maintenance respiration contrasts with growth respiration, which is responsible for t ...

Non-technical maintenance

Alimony Alimony, also called aliment (Scotland), maintenance (England, Ireland, Northern Ireland, Wales, Canada, New Zealand), spousal support (U.S., Canada) and spouse maintenance (Australia), is a legal obligation on a person to provide financial suppo ...

, also called ''maintenance'' in British English *

Champerty and maintenance Champerty and maintenance are doctrines in common law jurisdictions that aim to preclude frivolous litigation: *Maintenance is the intermeddling of a disinterested party to encourage a lawsuit. It is: "A taking in hand, a bearing up or upholdin ...

, two related legal doctrines *

Child support Child support (or child maintenance) is an ongoing, periodic payment made by a parent for the financial benefit of a child (or parent, caregiver, guardian) following the end of a marriage or other similar relationship. Child maintenance is paid d ...

, also commonly called "child maintenance" *

Feudal maintenance Feudal maintenance under feudal systems of government, was the money payment to soldiers who fought in the interest and at the command of their lord. Such soldiers comprised private armies, each with uniquely identifiable livery A livery is ...

, system of funding armies

Technical maintenance

Maintenance (technical) The technical meaning of maintenance involves functional checks, servicing, repairing or replacing of necessary devices, equipment, machinery, building infrastructure, and supporting utilities in industrial, business, and residential install ...

Aircraft maintenance 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 the embodiment of modifications, compliance w ...

Bicycle maintenance Various bicycle tools have evolved over the years into specialized tools for working on a bicycle. Modern bicycle shops will stock a large number of tools for working on different bicycle parts. This work can be performed by a trained bicycle mecha ...

* Bus maintenance * Car maintenance * Train maintenance *

Property maintenance Property maintenance relates to the upkeep of a home, apartment, rental property or building and may be a commercial venture through a property maintenance company, an employee of the company which owns a home, apartment or a self-storage pastime ...

* Railroad track maintenance *

Software maintenance Software maintenance in software engineering is the modification of a software product after delivery to correct faults, to improve performance or other attributes. A common perception of maintenance is that it merely involves fixing defects. H ...

Some kinds of technical maintenance

Condition-based maintenance The technical meaning of maintenance involves functional checks, servicing, repairing or replacing of necessary devices, equipment, machinery, building infrastructure, and supporting utilities in industrial, business, and residential installa ...

Corrective maintenance Corrective maintenance is a maintenance task performed to identify, isolate, and rectify a fault so that the failed equipment, machine, or system can be restored to an operational condition within the tolerances or limits established for in-servi ...

Planned maintenance The technical meaning of maintenance involves functional checks, servicing, repairing or replacing of necessary devices, equipment, machinery, building infrastructure, and supporting utilities in industrial, business, and residential install ...

Predictive maintenance Predictive maintenance techniques are designed to help determine the condition of in-service equipment in order to estimate when maintenance should be performed. This approach promises cost savings over routine or time-based preventive maintenanc ...

Preventive maintenance The technical meaning of maintenance involves functional checks, servicing, repairing or replacing of necessary devices, equipment, machinery, building infrastructure, and supporting utilities in industrial, business, and residential installa ...

Total productive maintenance Total Productive Maintenance (TPM) started as a method of physical asset management focused on maintaining and improving manufacturing machinery, in order to reduce the operating cost to an organization. After the PM award was created and awarded ...

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