1. public utilities; public enterprise; public service
Wikipedia definition
2. Public utilityA public utility (usually just utility) is an organization that maintains the infrastructure for a public service (often also providing a service using that infrastructure). Public utilities are subject to forms of public control and regulation ranging from local community-based groups to state-wide government monopolies. (Common arguments in favor of regulation include the desire to control market power, facilitate competition, promote investment or system expansion, or stabilize markets.
Read “Public utility” on English Wikipedia
Read “公益事業” on Japanese Wikipedia
Read “Public utility” on DBpedia


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