በሞንቴኔግሮ ተራራማ ተራራ ሰሜናዊ ምዕራብ ክፍል በምትገኘው በካባጃክ ትንሽ ከተማ ውስጥ የሚገኘው የ Zeković ኩባንያ ሁለተኛውን የሮክስተር R900 ተጽዕኖ መፍጫ ገዝቷል።
Zeković Company, located in a small town of Žabljak, in a mountainous north-western part of Montenegro, has purchased a second Rockster R900 impact crusher.