Apparatus for remote surveying; Borehole surveying apparatus; Borehole surveying instruments; Electronic apparatus for surveying; Installations for surveying purposes; Surveying apparatus and instruments; Instruments for surveying physical data; Surveying instruments; Geophysical research apparatus; Measuring instruments for geophysics; Apparatus for data collection; Data collection apparatus; Electronic data collection apparatus; Data collection instruments; Data acquisition apparatus; Data acquisition instruments; Gyro compasses; Gyros; Gyroscopes; Gyroscopes for use in stabilisation and navigational systems; Piezoelectric vibratory gyroscopes; Rate gyros; Stabilizing gyroscopes; Direction finding apparatus; Electronic direction finding apparatus; Direction finders; Directional compasses; Indicators for indicating direction (other than for vehicles); Instruments for indicating directions; Multiaxis directional detectors; all the aforementioned for use in the mining and mining equipment, technology and services industry only