Electromagnetic measuring detectors; Electronic control systems for engines; Electronic control systems for machines; Electronic control circuits for vehicles; Electronic controllers for vehicles; Electronic data processing apparatus; Gravity measuring instruments; Magnetic apparatus used to generate and measure magnetic fields; Scientific instrumentation for measuring gravity, magnetic fields, or electromagnetic fields[not for medical use]; Scientific instrumentation for measuring gravity, magnetic fields, and electromagnetic fields[not for medical use]; Scientific instrumentation for measuring gravity[not for medical use]; Scientific instrumentation for measuring magnetic fields[not for medical use]; Scientific instrumentation for measuring electromagnetic fields[not for medical use]