A WAREHOUSE STOCK CLERK WAS PULLING A PUMP END LINER FROM A RACK, THE LINER IS ROUND AND WEIGHS ABOUT 250 LBS. AS HE PLACED THE LINER ON A PALLET, THE LINER BOUNCED BACK AND STRUCK THE EE ON THE MEDIAL SIDE OF HIS RIGHT ANKLE. HE SUFFERED A SEVERE CONTUSION THAT REQUIRED THAT THE SKIN BE DEBRIDED, MAKING THIS A RECORDABLE INCIDENT. NO FRACTURE NO LOST TIME. RESTRICTED DUTY ONLY.