EE SUFFERED AN ANKLE INJURY THAT HAS RESULTED IN SIGNIFICANT LIMITATIONS TO HIS WORK ACTIVITIES. HE WAS WORKING IN THE 25A TANK AREA & WAS CROSSING A TRENCH. THE GRATING WAS BENT OUT OF SHAPE & THE LEFT HEEL OF HIS RUBBER BOOT CAUGHT ON THE GRATING. THIS CAUSED HIS ANKLE TO ""ROLL"", RESULTING IN A SPRAIN.