9 Scientific, measuring, signaling, checking apparatus and instruments, namely, electrical energy meters; electrical power supplies; devices for measuring energy being electricity meters; energy control devices for energy management; electrical apparatus for use in energy supply, namely, electricity meters; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity, namely, accumulators, voltage stabilizers, voltage regulators, and electricity limiters; computer apparatus, namely, computer hardware and software for the management, measurement and control of energy supplies; heat sequence apparatus for biochemical reactions, namely, bioreactors for laboratory use; chemical reaction apparatus, namely, chemical reactors for laboratory use; electric monitoring apparatus and installations, namely, electronic monitors for monitoring energy usage, electric current and electrical signals; computer control apparatus and devices, namely, computer mice, trackballs, trackpads, and joysticks; computer installations, namely, computer hardware; data collection apparatus and instruments, namely, computer software for the collection of data and information; data collection instruments, namely, computer hardware for the collection of data and information, electricity meters, electronic temperature monitors other than for medical use, electronic speed sensors, and distance measuring apparatus