[ Electrical and electronic apparatus and equipment namely, oil level sensors, optical sensors, electric sensors; electrical filters, namely, optical filters, laboratory filters; switches, namely, electric switches, electric circuit switches; current and voltage limiting devices, namely, current transformers, current rectifiers; drives, namely, CD-ROM drives, external computer hard drives; electronic and electric cables; monitoring devices, namely, battery monitors, electronic monitors and monitor modules for monitoring electric current and electrical signals; electric relays, namely, earth leakage protection relays; control modules, namely, electrical controllers; transformers, namely, electric transformers; detection devices and control systems, namely, heat detection systems comprised of fiber optic linear loop configurations, heat detectors, monitors; electric controllers, namely, programmable controllers; earth leakage protection devices, namely, electronic core balance relays, current transformers, circuit breakers; earth leakage protection devices with variable speed drives, namely, electronic core balance relays, current transformers, circuit breakers; earth fault current limitation devices and systems, namely, electronic core balance relays, current transformers, circuit breakers; earth continuity monitoring and protection devices and systems, namely, electronic core balance relays, current transformers, circuit breakers; earth fault lockout protection devices and systems, namely, electronic core balance relays, current transformers, circuit breakers; variable speed drives, namely, electronic controls for use with variable speed drives; devices and systems for earth leakage protection with variable speed drives, namely, electronic core balance relays, current transformers, circuit breakers; ] gas analysis instruments, namely, gas testing instruments, gasometers; monitors, namely, flow switches for monitoring and controlling the flow of gases; alarms, namely, gas alarms, alarm monitoring systems; indicators, namely, level indicators, temperature indicators; transmitters, namely, radio transmitters, telephone transmitters; sensors, namely, toxic gas sensors; flammable gas sensors; control and display devices, namely, electric controllers, computer monitors ; gas sensing systems including systems for monitoring Oxygen Hydrogen Sulphide, and Carbon Monoxide comprising gas sensors, computer monitors ; catalytic methane gas sensors and transmitters; displays, namely, LED displays; [ calibration installations and instruments for calibrating ultrasonic testers, optical emission spectrometers; communication systems comprising computers, communication hubs; voltage and current regulators; devices, namely, electric relays and electric controllers for protection of underground mining equipment; ] equipment for data transmission parts and fittings along with all accessories for all the aforesaid goods, namely, radio transmitters

[ Installation, maintenance and repair of electrical and electronic apparatus and equipment including sensors, electrical filters, switches, current and voltage limiting devices, drives, electronic and electric cables, monitoring devices, relays including earth leakage protection relays, control modules, transformers, detection devices and control systems; installation, maintenance and repair of controllers including programmable controllers; installation, maintenance and repair of earth leakage protection devices, earth leakage protection devices with variable speed drives, earth fault current limitation devices and systems, earth continuity monitoring and protection devices and systems, earth fault lockout protection devices and systems, variable speed drives; installation, maintenance and repair of devices and systems for earth leakage protection with variable speed drives; ] installation, maintenance and repair of gas analysis devices, instruments, monitors, alarms, indicators, transmitters, including toxic gas sensors, flammable gas sensors, control and display devices, gas sensing systems including systems for monitoring Oxygen Hydrogen Sulphide, Carbon Monoxide; installation, maintenance and repair of catalytic methane gas sensors and transmitters, displays including LED displays; installation, maintenance and repair of [ calibration installations and instruments, communications systems, voltage and current regulators; installation, maintenance and repair of devices, relays and controllers for protection of underground mining equipment and ] equipment for data transmission [ including installation, maintenance and repair of parts and fittings along with all accessories for all the aforesaid goods ]