An example of a public service is: D. fire department.
A public service can be defined as any service that is designed and developed and managed by the government of a country, state, or municipality, in order to address specific needs pertaining to the aggregate members of a community.
Fire department can be defined as a public sector organization that is under the purview of the government, which is usually operated by civil servants in a bid to fight and control all fire-related incident in a county, municipality, state, or special district of a nation.
In this context, we can reasonably infer and logically deduce that a fire department is a typical example of a public service.
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