These major players – Asea Brown Boveri, Siemens , E+H, and Emerson Fisher – represent the pinnacle of process automation , each possessing distinct strengths . ABB is noted for its automation systems and https://francesuhrn539569.answerblogs.com/42596151/asea-brown-boveri-siemens-ag-endress-hauser-fisher-controls-a-relative-review