9 Scientific, surveying, optical and digital measuring apparatus and instruments, namely, data recorders, gyroscopes, accelerometers, magnetometers, spectrometers, ed-xrf (energy dispersion x-ray fluorescence) and wd-xrf (wavelength dispersion x-ray fluorescence) detectors and analyzers, rotary and linear encoders, optical imaging and acoustical imaging tools in the nature of optical readers, optical inspection apparatus, optical position sensors, acoustic meters, surface acoustic wave sensors, and probes for scientific purposes in the nature of gamma crystal probes for recording, tracking, accessing, and analyzing geological, geophysical, geophysical survey, geotechnical, geometallurgical and geochemical data; Computers and data processing devices in the nature of tablet computers, smartphones, personal computers, and computing hardware for use in geology and geotechnology; Downloadable and recorded computer software for use in the field of geology and geotechnology, namely for recording, tracking, accessing, and analyzing geological, geophysical, geophysical survey, geotechnical, geo metallurgical and geochemical data