https://www.firehouse.com/operations-training/article/55010912/smart-firefighting-tactical-habit-look-up-on-arrival
John J. Salka Jr. lists seven structural fire factors that can be discerned quickly when arriving firefighters gaze upward.
smart firefightingtacticalhabitlookarrival
https://www.nist.gov/publications/smart-firefighting-workshop-summary-report
This report summarizes the results of the Smart Firefighting Workshop held March 24 and 25, 2014, in Arlington, Virginia and sponsored by the National Institute
smart firefightingworkshop summaryreportnist