Industry operations and project delivery

Unscaled lead-time sequence from request to completion, including waiting and active work; no duration is asserted.

Lead Time

The elapsed time between defined start and finish events, such as placing an order and receiving the required product or completing the requested work.

Conceptual maintenance, repair and overhaul activities with work-document context; not evidence of product or repair approval.

Maintenance, Repair and Overhaul

A collective term used for maintenance, repair and overhaul activities, especially in the aviation maintenance-provider context.

Illustrative glass punch-list record showing location, issue, responsibility and status; not a real project document.

Punch List

A tracked set of outstanding or corrective project items, recording where an issue occurs, who is responsible and how it is resolved or closed.

Conceptual movement of people, equipment and supplies to a site; optional return visit illustrates remobilization.

Mobilization

The movement of personnel, equipment and supplies to a work site and the setup needed to perform the planned work.

Conceptual process-output flow measured over a defined period; no numerical production rate is asserted.

Throughput

The quantity of completed output delivered by a defined process during a stated period, expressed with clear units and counting rules.

Three elements of Lean standardized work shown conceptually, without site-specific timing or inventory values.

Standardized Work

In Lean production, a defined work arrangement combining takt time, the sequence of work and the standard in-process stock needed to perform that sequence.

Conceptual nonconformance, correction and reinspection workflow, including an alternate referral or replacement path.

Rework

Additional processing or correction of nonconforming material or work so the specified requirements can be met.

Conceptual four-category cost-of-quality diagram; equal panels do not represent measured cost proportions.

Cost of Quality

A framework for identifying resources spent to prevent quality problems, evaluate conformance, and address failures found before or after delivery.

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