EMPLOYEE TRIPPED WHILE JUMPING OVER A PIPE WHICHWAS USED TO PNEUMATICALLY DISCHARGE MATERIAL INTO A TANK. HIS RIGHT FOOT CAUGHT THE PIPE AND HE FELL FACE DOWN INTO THE GROUND HITTING HIS HE AD FIRST. THE IMPACT CREATED A 2"" CUT OVER HIS LEFT EYEBROW WHICH REQUIRED 9 STITCHES TO CLOSE UP.