post your discussion for the topic assigned by last name (see below). Support your analysis with appropriate references. Respond to at least two of your classmates' postings. At least one of your responses to your classmates must be to a topic different from your assigned topic. •(If your last name begins with A-I, answer this question.) Explain a Class One ensemble. Include levels of protection, functionality, and limitations. Identify the proper respiratory protection for a Class One ensemble, and explain how this particular device functions. Provide a unique example of when a first responder would utilize a Class One ensemble.