The activity of design, specification, assessment or caring for physical facilities, systems, machines, products, or components to perform required tasks under stated conditions for a specified period of time so as to avoid or minimize the chance of failing, or restore it to a state in which it can perform its required function.
Synonymous: Total Productive Maintenance; reliability-centred maintenance
Included terms: emergency maintenance, preventive maintenance, predictive maintenance, reliability engineering
Source: (Slack et al., 2013; Hill,2012; Helms, 2006)