EMPLOYEE WAS ABOUT TO DISMOUNT THE TRUCK WHEN HIS PANTS LEG CAUGHT ON A HOSE REEL THAT WAS IN THE WALKWAY. A BOX OF RAGS WAS ALSO IN THE WALKWAY. HE LOST HIS BALANCE AND HIS HAND MISSED THE HA ND HOLD AND HE FELL OFF THE TRUCK ABOUT FOUR ANDA HALF FEET TO THE GROUND. HE CONTINUED TO WORK. HIS RIGHT SHIN HAD A CONTUSION. HE SOUGHT MEDICAL ATTENTION ON SEPT 29.