Nodes of term Maintenance

Maintenance, repair, and operations (MRO) involves fixing any sort of hardware device or software operation should it become out of order or broken (known as repair, unscheduled or casualty maintenance). It also includes performing routine actions which keep the device or software in working order (known as scheduled maintenance) or prevent trouble from arising (preventive maintenance). MRO may be defined as, "All actions which have the objective of retaining or restoring an item in or to a state in which it can perform its required function. The actions include the combination of all technical and corresponding administrative, managerial, and supervision actions."