According to the National Fire Protection Association (NFPA) 472, Section A.4.2.1 (20):
Evaluate the scene for likely areas where additional devices could be placed.
Visually scan the operating areas (a 360-degree scan from the windshield of a vehicle is preferable).
Avoid touching or moving anything that might conceal an<unk>  device.
Designate and enforce scene control zones.
Explosive incident response
Reexamination sample documentation
Software development
Tactical field care
Sign out tools
Delivering bad news
Recommendation Grading System
Field trauma triage