<prompt> Translate the following text to SwahiliUnfortunately, the cement used for its construction contained sea sand, which caused the iron reinforcing rods to corrode.  <response>: Kwa kusikitisha, saruji iliyotumiwa katika ujenzi wake ilikuwa na mchanga wa baharini, ambao ulisababisha vijiti vya chuma vya kuimarisha viangamie. 