<prompt> Qedela lo musho olandelayo: Ngo-1938, isithombe esikhulu sensimbi esiyi-cast-iron sikankulunkulu wamaRoma wesikhuni, uVulcan, esasimelela iBirmingham eMpumalanga Yurophu  <response>: Ngo-1904 iSt. Louis Worlds Fair yabekwa embukisweni phezulu embhoshongweni wamatshe esihlabathi owakhiwa iWorks Progress Administration. Lesi sithombe esikhulu kunazo zonke emhlabeni esenziwe ngensimbi. 