So the operator's first move is to close the information gap: readings at the affected position and at a clean position in the same room, taken with the same instrument, in the same hour.
Corrective Decisions
Field notesCorrective Decisions
Field notesSo the operator's first move is to close the information gap: readings at the affected position and at a clean position in the same room, taken with the same instrument, in the same hour.
English learning edition · Independent technical review pending. Keyboard: focus the reading page and use ← / →. Page turning does not mark practical competence.