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.
A gap wedge's angle varies between 50 and 54 degrees. The pitching wedge is usually around 45 degrees while the sand wedge is between 54 and 58 degrees. Golf club makers have decreased pitching wedge loft degrees over recent years, with the gap wedge becoming an option for golfers.