EE WAS INSTALLING A HANDRAIL ON THE LOWER CORD OF THE THRUSS 20' DOWN FROM THE TOP OF THE CLINKER SILO, AND WAS STRUCK ON THE RIGHT SHOULDER BY THE ELEVATOR. EE ALSO SUSTAINED A BROKEN RT TIBI A BELOW THE KNEE, GROIN DISPLACED BY SHOULDER BLADE & MULTIPLE BRUISES ON HIS UPPER BACK BELEIVED CAUSED BY THE FALL PROTECTION HARNESS TO TIGHTENING EFFECT ON HIS UPPER TORSE