After the fire has been controlled, all actions required to make the fire "safe", prior to being called out. This includes trenching, falling snags, and checking all control lines.
Extinguishing or removing burning material near control lines, including felling snags, and trenching logs to prevent rolling after an area has burned.
To make a fire safe or reduce residual smoke after the fire has been controlled by extinguishing or removing burning material along or near the control line, felling snags, or moving logs so they won't roll downhill.