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MNT.1:2 - Problem

A stock number identifies a replaceable part, an equipment tag identifies a unit and an operating commitment identifies a required contribution. They answer different questions. Repairing the tagged unit can still leave the required service unavailable when a shared controller, cooling supply or bypass is outside the assumed boundary.

Unclear control makes the same mistake consequential: the person requesting a recommendation may be unable to stop the equipment, authorize intrusive work or accept restricted operation. Knowing that distinction early prevents a recommendation from becoming an unsupported commitment to act.