<prompt> Translate the following text to EnglishChuma cha muundo hutumiwa hasa kwa ajili ya absorber, ductwork, na inasaidia, na pili katika vipengele mbalimbali ikiwa ni pamoja na kuimarisha miundo iliyopo katika kituo.  <response>: Structural steel is used primarily for the absorber, ductwork, and supports, and secondarily in miscellaneous components including reinforcement of existing structures at a facility. 