<prompt> Translate the following text to EnglishKwa mfano, mifumo ya hivi karibuni ya ukarabati wa FGD iliyowekwa katika Homer City Septemba 2001 na Centralia Juli 2001 zote zilikamilishwa ndani ya miezi 24 hivi.  <response>: For example, recent FGD retrofit systems installed at Homer City September 2001 and Centralia July 2001 were both completed within approximately 24 months. 