CREW WAS INSTALLING BRICK IN KILN USING A PNEUMATIC RIG. BRICK LAYER WAS PLACING BRICK ON PLUNGER AND BRICK SLIPPED AND FELL APPROX FIVE FT) TO PLATFORM WHERE LABORER HAD HIS HAND ON TOP OF THE BRICK. HE WAS PREPARING TO HAND TO BRICK LAYER AND BRICK HIT THE TOP OF HIS HAND.