9 Scientific, optical apparatus and instruments in the nature of scientific and technical apparatus, namely, optical mirrors, vacuum gauges, electronic apparatus and instruments for conducting, distributing, regulating, or controlling electricity; electromechanical indicators in the nature of speed indicators; Electric valve actuators except those for firearms; Valve operators in the nature of electrical controllers; Solenoid valves in the nature of electromagnetic switches; Sensors, in particular position and speed sensors, namely, sensors for determining position, velocity, acceleration and temperature; Electronic circuits for controlling motors and for processing signals from a sensor; Magnets; Electromagnetic coils; Downloadable computer software for electronically controlling and checking motors; Electric cables; Magnetic cards, namely, magnetic identifying cards; Electric installations for the remote control of industrial operations; Meters, namely, vibration meters; Magnetic encoders; Electric armatures for use in electrical apparatus and Electrical inductors; Interfaces for computers; Integrated circuits; Electronic and electromechanical components in the nature of electronic components for computers; Apparatus for measuring speed, position and displacement; Electronic and electro-optical position and speed sensors, namely, sensors for determining position, velocity, acceleration and temperature; Measuring instruments, namely, pressure gauges, comparators, and electric meters; Electric measuring apparatus and instruments, namely, ammeters and voltmeters; Electrical inductors; Electro mechanical actuators in the nature of electric actuators