A stairway, ladder, ramp or other safe means of egress must be located in trench excavations that are 4 feet (1.22 m) or more in depth so as to require no more than 25 feet (7.62 m) of lateral travel for employees. Designed to prevent slipping.
Pitching wedges have a loft of between 46 and 48 degrees. Approach wedges have lofts between 50 and 52 degrees. The extra loft on the approach wedge helps it to get up in the air, but decreases the distance hit.
The pitching wedge has a bounce of angle of between 0-5 degrees. The gap wedge has a bounce angle between 5-12 degrees. The sand wedge has a bounce angle between 10-16 degrees, and the loft wedge has a bounce angle between 0-10 degrees.Wedges are used for a wide variety of shots close to the green. Most players carry three wedges: the pitching wedge, the sand wedge, and either the gap wedge or the loft wedge.nd the loft wedge has 58-60 degrees of loft. The lob wedge has about 64 degrees of loft. Gene Sarazen invented the sand wedge over 70 years ago. Bounce angle is another difference between wedges.