How can I use ngFor to iterate over Typescript Enum as an array of strings

I'm using Angular2 and TypeScript and I have an enum:

export enum Role {
ServiceAdmin, CompanyAdmin, Foreman, AgentForeman,
CrewMember, AgentCrewMember, Customer
}


I want to use *ngFor to iterate over the enum. What is the best way to do this? Must I create a Pipe? Or is there a simpler way?

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