31. The sternum has a keel over its entire length and two pairs of deep indentations at its back edge . 32. :The arc with radius 1.44 appears tangent to the back edge , which is 5 units from the front edge. 33. Dropping it on its back edge while closed left it unscathed except for a few nicks in the paint. 34. The back edge of the clip may have a false edge that could be sharpened to make a second edge. 35. He still had a chance for par, but his putt hit the back edge of the cup and spun out. 36. No . 13, 178 yards, par 3 _ 6-iron to back edge of the green, 15 feet from the pin. 37. However, Hecht's goal was disallowed on video replay because the back edge of his skate was in the goal crease. 38. Use the block plane to bevel the back edge of top and eliminate any gaps, then nail it in place. 39. The back edge of these shoes can rub excessively against the heel, causing skin to thicken, which leads to calluses. 40. The other " set " was the Nine-Pin set, where the pins were placed one foot from the back edge .
