Glossary of Terms
Practical maintenance terms, CMMS language, reliability abbreviations, and plant maintenance definitions in one place.
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399 terms shown
Vendor-Managed Inventory
Vendor-Managed Inventory is an arrangement in which the supplier monitors agreed stock information and manages replenishment within defined rules.
Verification
Verification is the confirmation, using objective evidence, that specified requirements have been fulfilled.
Vibration Analysis
Vibration analysis is the measurement and interpretation of machine vibration to detect conditions such as imbalance, misalignment, looseness, resonance, and bearing damage.
Wall Thickness Measurement
Wall thickness measurement determines the remaining material thickness of piping, vessels, tanks, and other components affected by corrosion or erosion.
Warranty Management
Warranty management is the control of asset and component warranty terms, dates, conditions, claims, evidence, and supplier responsibilities.
Wear-Out Failure
A wear-out failure occurs when age, cycles, fatigue, erosion, corrosion, or material degradation progressively increases failure probability.
Weekly Maintenance Schedule
A weekly maintenance schedule is the agreed set of ready maintenance work assigned to specific days, shifts, teams, or technicians for the coming week.
Weibull Analysis
Weibull analysis is a statistical method used to study failure-time data and understand whether failures are early-life, random, or wear-related.
Witness Point
A witness point is a planned stage where an authorized party is invited to observe an inspection or test, but work may proceed under defined rules if attendance is waived.
Work at Height Permit
A work at height permit authorizes elevated work under defined controls where a person could fall and suffer injury.
Work Breakdown Structure
A Work Breakdown Structure divides a large maintenance project, shutdown, or overhaul into manageable deliverables and work packages.
Work Instruction
A work instruction is a clear, task-level description of how a specific maintenance activity should be performed safely and correctly.
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