What NFPA diamond numbers are required on a propane tank?

What are causes and effects of monsoons? When should you initially ensure the scene is safe? How do you kill or protect yourself from a hellhound? How does the PIR sensor works? What are the advantages and disadvantages of disaster management? Can fire blankets be used on all types of fires? When was the last tornado in arlington'tx? What do mean by travel distance regarding fire protection? How long does it take a typical self expelling fire extinguisher empties its contents? How do you use an AED with situs inversus? Was the National Emergencies Act passed in 1976? How many people would die and what would be the conditions around the world if 10 nuclear bombs went off in 10 different cities in the US? How is the bathroom safe to hide during tornado? What is the past tense of rescue? What is the difference between major incident and disaster? How do you know if the AED pads are put on correctly? What is the difference between a 5 pound or 10 pound fire extinguisher? What should do if your surge strip catches on fire? Fire safety in woodland areas mean? What weather mitigation is used in case of a tornado?