Ama-Duplex Steel Ax EXS31803 FLCESE AS31803 FLCESE AS Enjiniyela Emanzini, ukucubungula amakhemikhali, ukushintshaniswa kwe-hydrocarbon, ukushintshaniswa kokushisa, ukukhiqiza ama-valve, amaphrojekthi wamaphampu, amaphrojekthi wamandla wenuzi, amaphrojekthi wamanzi wenuzi, amaphrojekthi wamafutha enuzi, amaphrojekthi we-oyela kanye negesi esebenza.