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³¾Ã¤±ð¾±²Ô²õ³Ù¾±³Ù³Ü³Ü³Ù tallinna tehnikaülikool fosforiidiseminar viru keemia grupp fosforiidiseminar 07.01.2014 fosforiit ±èõ±ô±ð±¹°ì¾±±¹¾± oil shale mining teadus arengukava oil shale industry quality management of the mineral selective crushing backfilling and long- and shortwall mining. most of the processes are evaluated and concluded technological level and administrative system. the abstract - sustainable mining conditions depend on focusing to the aru-lõuna (aru-south) limestone q numerical and economic analyses. as a result quality losses extraction. dolokivi uuringud kaevandamine estonia talveakadeemia put heat pump technology mine water undermined area abstract — mining waste reduction methods includ which face the baltic sea region mining industry which should be understood as extending to all for state-of-the-art technologies and good practice to baltic sea region waste heap gravel pilot unit sand waste management geometrical parameters of aggregates. limestone and dolostone aggregate paste fill fill materials backfill technology as they are the most important mineral resources m seismic data analysis and their correlation in est abstract – the thesis topic is “blasting param keskkond