Electric and electronic apparatus and components [ thereof for rail vehicles and trolley buses and ] for monitoring and controlling of belt conveyor systems, [ namely, blinker units in the nature of emergency warning lights, daylight control switches in the nature of light sensitive electric light switches, three-phase pulse-controlled converters, tachogenerators in the nature of tachometers, electronic rotation speed monitors, electromagnetic contactors, electro-pneumatic contactors, electronic multifunction relays, electronic drive and brake control circuits, electrical limit switches, master electrical controllers, DC transformers, DC converters, electrical load sensors, auxiliary electric contactors, loudspeaker systems, emergency brake controllers in the nature of switches, electric switching elements for reversing driving direction in the nature of electric switches, switching elements in the nature of electric switches, ] brake controllers in the nature of pull rope emergency stop switches, [ current pulse relays, key switches in the nature of electrical switches, dead-man's switches in the nature of electrical switches, current collectors in the nature of electric pantographs, converters and electrical transducers for on-board power systems, computer programs and software for routing and control systems for rail vehicles and trolley buses; ] safety devices, namely, belt misalignment switches for stopping belt conveyors when belts are misaligned, brake controller in the nature of pull rope emergency stop switches, electronic and electric rotation speed monitors, safety devices, namely, belt misalignment switches for stopping bucket elevators when belts are misaligned

[ Heating, ventilation, air conditioning and illumination devices, namely, ventilating fans for vehicles, air conditioners for vehicles, headlights for vehicles and lights for vehicles ]

[ Installation, servicing and repairing of electric and electronic devices and components in vehicles ]