Use an index
A simple list can point to where protected originals or copies are stored.
Do not expose credentials
Passwords and sensitive identifiers need stronger protection than an ordinary checklist.
Keep copies appropriately
Digital and paper copies may fail in different ways.
Review periodically
Expired documents and old contacts reduce usefulness.
General prevention information only. In an active emergency, follow local emergency services and official instructions. Do not attempt electrical, structural, fire-suppression, hazardous-chemical or other safety-critical work without appropriate professional competence.