Complex sentence: The origins of Transfield Services Limited commenced in 1956 when Transfield Pty Limited was founded by two Italian--born mechanical engineers, Franco Belgiorno-Nettis and Carlo Salteri.
Split into simpler sentences: The origins of Transfield Services Ltd. commenced in 1956 when Transfield Pty. Ltd. was founded by two Italian--born mechanical engineers, Franco Belgiorno-Nettis and Carlo Salteri.