An externally threaded hose nipple which fits in the thread of a female (internally threaded) swivel coupling of the same pitch and diameter. Nozzles attach to this type of coupling.

The range of possible values for a fire danger index or component, given a set of NFDRS parameters and weather input.

A hose coupling with one or more cylindrical studs on its outside rim. The studs allow the use of a spanner wrench to tighten the coupling.

The process by which a gas becomes a liquid.

Any road or trail formed by the process of skidding logs from stump to landing.

Device used to transport a 55-gallon drum (208 L) via sling on a helicopter.

Official group or organization compelled and authorized under statutes or law to control fires within a designated area or upon designated lands.

The agency responsible for providing direct incident management and services to a given area pursuant to its jurisdictional responsibility or as specified by law, contract or agreement.

A term historically used to indicate the agency or unit with jurisdiction or protection responsibilities or who was financially responsible for the incident response. Its use is not recommended.

The entity responsible for providing direct incident management and services to a given area pursuant to its jurisdictional responsibility or as specified by law, contract or agreement.