"A fire department (American English) or fire brigade (British English),[note 1] also known as a fire authority or fire service in some areas, is an organization ...
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that provides firefighting services. In some areas, they may also provide technical rescue, fire protection, fire investigation, and emergency medical services.
Fire departments are most commonly a public sector organization that operate within a municipality, county, state, nation, or special district. Private and specialist firefighting organizations also exist, such as those for aircraft rescue and firefighting.
A fire department contains one or more fire stations within its boundaries, and may be staffed by firefighters, who may be professional, volunteers, conscripts, or on-call. Combination fire departments employ a mix of professional and volunteer firefighters." - (en.wikipedia.org 07.01.2021)