RIDING IN A MANTRIP, TWO EMPLOYEES WERE DISCUSSING THE JOB. THE NEXT THING THEY KNEW THE MANTRIP HAD HIT THE RIB. ONE FLEW FORWARD & STRUCK HIS LEFT SIDE ON THE MANTRIP & FELL OUT ON THE GROUN D. WHEN HE FIRST GOT UP HE THOUGHT HE WAS O.K. BUT WAS HAVING TROUBLE BREATHING & WAS TRANSPORTED TO THE SURFACE & THE HOSPITAL. HE WAS FOUND TO HAVE FRACTURED A RIB & BRUISED A KIDNEY.