9 measuring, signalling and sensing or checking scientific instruments, namely, electronic devices for data recording, transmitting, checking, recording and reporting blast hole data and conditions related to delivery of explosive compositions into blast holes and explosions produced thereby; data recording apparatus, namely, computers for blast design, blast data processing, and blast analysis; computer software, namely, downloadable computer operating software for blast design, blast data processing, and blast analysis; computer software, namely, downloadable computer operating software for managing blast and blast outcomes (explosions), programming blasts (explosions) and for recording, retrieval, reporting, storage, and analysis of information for particular completed blasts (explosions); data management systems comprised of computer hardware and downloadable software for managing, recording, reporting, retrieval, storage, and analysis of data and information in connection with blasts in the nature of explosions; communications software, namely, downloadable communication software for connecting local area networks, wide area networks, and global computer networks, all for blast design and managing, recording, reporting, retrieval, storage, and analysis of data and information in connection with blasts in the nature of explosions; downloadable software for facilitating blast design, blast programming, blast data processing, and blast outcome analysis; electronic devices for acquiring blast data; all of the aforementioned goods for use in the mining, quarrying, and construction industries and to users of explosives in such industries