Maintainability
Maintainability is the inherent design characteristic of a system or product that determines the probability that it can be retained in, or restored to, a specified operating condition within a given time when maintenance is performed under prescribed conditions using specified procedures and resources. == Usage in different fields == === Engineering === In engineering, maintainability is the ease with which a product can be maintained to: correct defects or their cause, Repair or replace faulty or worn-out components without having to replace still working parts, prevent unexpected working conditions, maximize a product's useful life, maximize efficiency, reliability, and safety, meet new requirements, make future maintenance easier, or cope with a changing environment.