These leading corporations – ABB , Siemens , Endress+Hauser , and Emerson Fisher – represent the pinnacle of process automation , each possessing distinct specialties. ABB is noted for its robotics and https://haimamslf436965.wikibyby.com/2464720/asea_brown_boveri_siemens_ag_endress_hauser_emerson_fisher_a_relative_assessment