gmsminerepaircom G M S M i n e R e p a i r M a i n t e n a n c e GM S A D V A N T A GE 3013348186 35 ROSA Remote Oscillating Shotcrete Arm ROSA Remote Oscillating Shotcrete Arm is a quick mobilization highly versatile attachment that mounts on most hydraulic equipment to allow GMS miners to remotely apply shotcrete from a safe location using any dry or wet shotcrete pump The GMS Advantage is a proprietary product like the ROSA developed by GMS and used exclusively by GMS crews giving GMS an advantage over competitors GMS ADVANTAGE