5 SIMPLE STATEMENTS ABOUT ROOFING COMPANY EXPLAINED

For that back D-ring top, the space between the D-ring and the sole in the worker's footwear, employers usually use 5 ft since the regular height with the assumption the worker will be 6 ft in peak, but as the D-ring peak variability can influence the security with the method, the back D-ring top needs to be calculated dependant on the actual top i