7
MACHINES USED IN MINING AND ROCK ENGINEERING, NAMELY DRILL RIGS, DRILLING MACHINES, ROCK BOLTERS, LOADERS AND HAULERS, EXPLOSIVE CHARGERS, MOBILE LIFTERS, CONCRETE SPRAYERS, MECHANIZED SCALERS AND VARIABLE TRANSPORTERS, ROCK CRUSHERS, MOBILE ROCK CRUSHERS; TRACKBOUND AND TRACKLESS DRILLING AND TUNNELING MACHINES; LONG-HOLE DRILLING MACHINES; FRONT-END- LOADERS; SURFACE DRILLING, TUNNELING, FACE DRILLING, PRODUCTION DRILLING, LONG-HOLE DRILLING, CHARGING, SCALING, BOLTING AND SPRAYING JUMBOS
9
SCIENTIFIC APPARATUS AND INSTRUMENTS USED IN MINING AND ROCK ENGINEERING, NAMELY DRILL HOLE ANALYZERS AND POSITION DETERMINERS; MEASURING APPARATUS AND INSTRUMENTS USED IN MINING AND ROCK ENGINEERING, NAMELY ANGLE INDICATORS, POSITION INDICATORS, GPS INSTRUMENTS, FLOWMETERS, PRESSURE INDICATORS
12
TRUCKS AND HAULERS USED IN MINING AND ROCK ENGINEERING
42
SCIENTIFIC AND INDUSTRIAL RESEARCH