<prompt> Translate the following text to EnglishKatika sura ya 3 na 4 ya utafiti, watafiti watachunguza mahitaji ya vifaa vya kuanzisha teknolojia ya kudhibiti NOx na mercury.  <response>: Chapters 3 and 4 review, in the same fashion, the resource requirements of installing NOX and mercury control technology, respectively. 