EE & CREW WERE SHAKING ( SEPARATING) OUT IRON (STEEL BEAMS) & ROLLING OVER BEAMS ON GROUND TO CHECK PIECE MARKS. AS EE ROLLED ONE BEAM, ANOTHER BEAM NEXT TO THE FIRST, ROLLED OVER PINCHING (MA SHING) HIS LEFT THUMB BETWEEN THE FLANGES OF THE TWO BEAMS BREAKING HIS THUMB.