<prompt> Translate the following text to EnglishKwa kawaida, mahitaji makubwa ya vifaa ni pamoja na mifumo ya kuondoa SO2, hasa chombo cha absorber, na utunzaji wa gesi ya flue, hasa ductwork na chuma cha msaada.  <response>: Typically, the greatest hardware requirements involve the systems for SO2 removal, primarily the absorber vessel, and flue gas handling, particularly ductwork and support steel. 