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 installations.

What do u mean by maintenance?

The work of keeping something in proper condition, care or upkeep including: taking steps to avoid something breaking down (preventative maintenance) and bringing something back to working order (corrective maintenance).

What is maintenance in simple words?

1 : the act of maintaining : the state of being maintained : support The building has suffered from years of poor maintenance. 2 : something that maintains at least half of them are living parasitically on the other half instead of producing maintenance for themselves— G. B. Shaw.