9 Fibre optics; fibre optic cables; fibre optical sensors; electro-optical sensors; protective sheaths for fibre optic cables, sensors in the form of and for use with fibre optic cables for detecting, measuring, recording, [ regulating or controlling ] ambient or internal [ pressure, ] strain, temperature, stress, optical wavelength and optical line width, environmental conditions, movement, acoustics, distance, length vibration, sound or flow; [ levels of carbon dioxide ] detectors in the form of and for use with fibre optic cables for detecting, measuring, recording, [ regulating or controlling ] [ ambient or internal pressure, ] strain, temperature, stress, optical wavelength and optical line width, environmental conditions, movement, acoustics, distance or length, vibration, sound or flow [ levels of carbon dioxide, ] optical multiplexers for use with fibre optic cables; [ apparatus for splicing optical fibres, namely, fusion splicers; cabling networks incorporating fibre optic cables, namely, fibre optic cables for use in connecting network computer users; ] electrical or optical components for use with fibre optic cables, namely, optical transmitters, optical receivers, [ communication link testers for testing communication links; ] instruments and apparatus, including sensors, for detecting, measuring, recording, [ regulating, or controlling pressure, ] strain, temperature, stress, optical wavelength and optical linewidth, environmental conditions, distance, length, vibration, sound or flow, [ levels of carbon dioxide, ], namely, length measuring gauges, temperature indicators, transducers that utilise ultrasonic oscillations to test for stress and fatigue in metal and metal structures, wavemeters, electromechanical vibration meters; connectors and connections for fibre optic cables; [ pressure gauges; automatic pressure valves incorporating pressure seals; ] remote control apparatus, namely, remote controls for interfacing between detectors and computers for distributed temperature, strain [ and pressure ] measurement; computer peripheral devices; computer hardware; magnetic data carriers, namely, floppy disks, hard disks, [ plastic cards with magnetic strips, ] tapes, magnetic coded cards, memory add-on cards, memory boards, memory chips, all prerecorded with fibre optics data