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Glossary of terms
Practical maintenance terms, CMMS language, reliability abbreviations, and plant maintenance definitions in one place.
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399 terms shown
5 Whys Analysis
The 5 Whys is a simple root cause analysis technique that repeatedly asks why a problem occurred until the team reaches an evidence-supported and actionable underlying cause.
ABC Inventory Analysis
ABC inventory analysis classifies stock items into groups according to annual consumption value or another selected importance measure.
Achieved Availability
Achieved availability is the proportion of time an asset is available when corrective and preventive maintenance are included but logistics and administrative delays are generally excluded.
Alarm Management
Alarm management is the lifecycle control of industrial alarms so they remain relevant, prioritized, understandable, and actionable.
Andon
Andon is a visual or audible system used to signal an abnormal production condition and request timely support.
Annual Maintenance Contract
An annual maintenance contract, or AMC, is a time-bound agreement for recurring maintenance services, support, visits, repairs, or parts over a defined annual period.
Approved Alternative Part
An approved alternative part is a technically reviewed substitute permitted to replace the preferred spare part under defined conditions.
Asset Classification
Asset classification is the grouping of assets by type, function, technology, risk, ownership, or another controlled characteristic.
Asset Condition Assessment
An asset condition assessment is a structured evaluation of the physical state, performance, degradation, and remaining serviceability of an asset.
Asset Criticality
Asset criticality is a structured assessment of how strongly an asset failure could affect safety, environment, quality, production, compliance, cost, and recovery.
Asset Data Governance
Asset data governance defines ownership, standards, approval, quality rules, and lifecycle controls for asset information.
Asset Health Index
An Asset Health Index is a combined score or classification representing the condition, performance, reliability, and risk of an asset.
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