9 Scientific, measuring, signaling, checking being supervision, apparatus and instruments, namely, voltage regulators, transformers, electrical power distribution blocks, electric terminal boxes, electric supply switches, commutators, fuses for electric current, electric wires, electric coils, electric accumulators, electric power converters, rectifiers, electric relays, junction boxes, circuit breakers, photovoltaic solar cells and modules, photovoltaic inverters, photovoltaic solar panels for the production of electricity; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, electric condensers, electric power inverters for transformers, electric indicator panels, electric control panels, and electric luminescent display panels; apparatus for recording, transmission or reproduction of sound or images; apparatus for charging electric accumulators, namely, rechargers for electric accumulators; scientific, measuring, signaling, checking being inspection apparatus and instruments, namely, heat detectors, smoke and fire detectors, speedometers, vehicle traffic counting systems comprised primarily of electric sensors, computer, operating system programs and application software to detect vehicle location and size and calculate number of vehicles on a particular roadway, digital weather station instruments, and radiation detectors; electrical apparatus and instruments for measuring, monitoring and checking apparatus for electricity generation, namely, silicon solar cell material for electricity generation incorporated pavement materials; electric measuring apparatus and instruments, namely, clamp meters for monitoring and measuring domestic or industrial consumption of electrical energy; electric apparatus for commutation, namely, commutators; electric converters; electric collectors, namely, batteries; electrical switchgear, namely, voltage boosting devices for electric high voltage power lines; fuses; electric control panels; electric conduits and electrical cables; equipment for conducting electricity, namely, electrical wires, cables; fiber-optic cables; electric ducts; electricity conduits; power switches; electric couplings; radio-frequency power metering apparatus; electric Geiger counters; gas meters; instruments for monitoring heat, namely, temperature sensors and electricity indicators; photovoltaic solar panels in the nature of photovoltaic modules for the production of electricity; thermal photovoltaic panels for production of electricity; apparatus for monitoring household or industrial electrical energy consumption, namely, battery monitors; downloadable computer software for measuring energy consumption intended for the use by the energy sector; adjusting and safety apparatus for gas pipes and for electric, namely, sensor controllers and electrical controllers, gas or water apparatus in home automation installations, namely, gas meters, gas leak detecting device with audible alarms, alarms for detection of flammable gas