DURING KILN SHUTDOWN, EMPLOYEE WAS ASSISTING BRICKERS INSIDE ROTARY CEMENT KILN WITH INSTALLATION OF KILN BRICK. HE HAD BEEN THROWING BRICK FOR A WHILE WHEN HIS LEFT WRISTS STARTED TO SWELL. D IAGNOSED BY PHYSICIAN ON 1/16/02 TO BE TENDONITIS OF THE LEFT WRIST AND FOREARM, THE EMPLOYEE WAS PLACED ON LIGHT DUTY. RETURNED TO REGULAR DUTY ON 1/21/02.