9 Scientific, electric, electronic, optical, weighing, signaling, checking (monitoring and regulating) and teaching apparatus and instruments, namely, blank magnetic data carriers and blank discs for computers; calculators; data processors and computer hardware; computer software in the field of monitoring, controlling, and/or regulating environmental, industrial and manufacturing process parameters; power components, namely digital panel meters, electronic and electric controllers, electronic signal conditioners, electric and electronic transmitters, and electric and electronic indicators; electronic components, namely digital panel meters, electronic controllers, electronic signal conditioners, electronic transmitters, and electronic indicators; fiber optics; fiber optic cables; cell voltage, temperature, and current measuring apparatus and instruments, namely, digital panel meters, electronic and electric controllers, electronic signal conditioners, electric and electronic transmitters, and electric and electronic indicators; batteries; battery monitoring apparatus and instruments, namely, digital panel meters, electronic and electric controllers, electronic signal conditioners, electric and electronic transmitters, and electric and electronic indicators; electrical connectors; current clamps, namely thermocoulple/RTD (resistance temperature detector) connectors; magnetic instrument products, namely magnetic mount thermocouples; electrical converters; equipment and instruments for power conditioning, namely signal conditioners, meters, transmitters, controllers, and indicators; electrical transformers; computer interface boards; computer chips; electrical power supply modules; power line conditioners; power supplies, electric transmitters used for controlling, monitoring, and/or regulating environmental, industrial, and manufacturing process parameters; transceivers; electric receivers used for controlling, monitoring, and/or regulating environmental, industrial and manufacturing process parameters; computer disc drivers; electrical overload protection devices, namely, voltage surge protectors; and parts for all of the aforesaid products