9 ELECTRICAL AND ELECTRONIC CONTROL DEVICES FOR MACHINES FOR THE METALLURGICAL INDUSTRY, NAMELY, ELECTRICAL AND ELECTRONIC CONTROLLERS AND REGULATORS CONSISTING OF REGULATING BOARDS, DISPLAY SCREENS, AND INPUT UNITS; ELECTRICAL AND ELECTRONIC CONTROL DEVICES FOR MACHINES FOR THE STEEL MILL INDUSTRY, NAMELY, ELECTRICAL AND ELECTRONIC CONTROLLERS AND REGULATORS CONSISTING OF REGULATING BOARDS, DISPLAY SCREENS, AND INPUT UNITS; ELECTRICAL AND ELECTRONIC CONTROL DEVICES FOR CONTINUOUS CASTING MACHINES, NAMELY, ELECTRICAL AND ELECTRONIC CONTROLLERS AND REGULATORS CONSISTING OF REGULATING BOARDS, DISPLAY SCREENS, AND INPUT UNITS; ELECTRICAL AND ELECTRONIC CONTROL DEVICES FOR ROLLING MACHINES FOR THE ROLLING OF METALS, NAMELY, ELECTRICAL AND ELECTRONIC CONTROLLERS AND REGULATORS CONSISTING OF REGULATING BOARDS, DISPLAY SCREENS, AND INPUT UNITS; ELECTRICAL AND ELECTRONIC CONTROL DEVICES FOR STRIP PROCESSING LINES (INCLUDED IN THIS CLASS), NAMELY, ELECTRICAL AND ELECTRONIC CONTROLLERS AND REGULATORS CONSISTING OF REGULATING BOARDS, DISPLAY SCREENS, AND INPUT UNITS; ELECTRICAL AND ELECTRONIC CONTROL DEVICES FOR WEIGHING, MEASURING, SIGNALING AND CHECKING APPARATUS AND INSTRUMENTS, NAMELY, AMMETERS, WATT METERS, WATER ANALYZERS, GAS AND AIR ANALYZERS, AUTOMATIC CHEMICAL ANALYSIS APPARATUS, SPEED MEASURING APPARATUS, PRESSURE MEASURING APPARATUS, AND PRESSURE MEASURING DETECTORS, LENGTH MEASURING APPARATUS, METAL HARDNESS TESTING MACHINES, TENSION TESTERS, X-RAY MACHINES AND APPARATUS, NOT FOR MEDICAL PURPOSES, DATA PROCESSING EQUIPMENT AND COMPUTERS, COMPUTER PROGRAMS RECORDED ON DATA MEDIA FOR CONTROLLING EQUIPMENT FOR STEEL PLANTS