iron foundry /ˈaɪɚn fˈaʊndɹi/ /ˈaɪən fˈaʊndɹi/
ironworks /ˈaɪərnwɜːrks/ /ˈaɪənwɜːks/
steel mill /stˈiːl mˈɪl/ /stˈiːl mˈɪl/