Scientific, optical, weighing, measuring, apparatus and instruments; apparatus for recording, transmitting, storing, broadcasting sounds and/or images; electronic data carriers; electronic apparatus and instruments for data processing, information exchange or delivery, releasing information, data input/output; electronic measuring apparatus, instruments; data acquisition apparatus; data acquisition instruments; data carriers; data files; data handling apparatus and instruments; data meters; data processing apparatus and instruments; data storage or transfer apparatus; computers; computer hardware, computer software; downloadable software applications (apps); all of the foregoing including those used in relation to explosives or to detect explosives; detectors; apparatus for detecting explosives, explosive compositions, detonators, traces of explosives or explosive compositions, residue; inorganic explosive trace detectors