what type of punctuation is necessary to set apart nonessential appositive phrases?
Making the world better, one answer at a time. The types of punctuation used for setting apart nonessential appositive phrases are commas. When set apart using commas, these phrases can be easily removed without changing the meanings of sentences. The types of punctuation used for setting apart nonessential appositive phrases are commas. When set apart using commas, these phrases can be easily removed without changing the meanings of sentences.