<prompt> Translate the following text to SwahiliIn some cases, however, the preferred approach has been to locate the SCR reactor on the ground near the boiler and to route the ductwork to and from the SCR reactor.  <response>: Katika baadhi ya kesi, hata hivyo, mbinu preferred imekuwa kuweka SCR reactor juu ya ardhi karibu boiler na njia ductwork kwa na kutoka SCR reactor. 