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Rock Arm, as a multi-purpose modified arm, is suitable for mining without blasting, such as open-pit coal mines, aluminum mines, phosphate mines, sand gold mines, quartz mines, etc. It is also suitable for rock excavation encountered in basic construction such as road construction and basement excavation, such as hard clay, weathered rock, shale, rock, soft limestone, sandstone, etc. It has good effects, high equipment strength, low Míra selhání, vysoká energetická účinnost ve srovnání s lámením kladiva a nízkým šumem. Skalní rameno je první volbou pro vybavení bez odstřelovacích podmínek.
