Guard rails, toe boards and various other comparable barriers should be provided to prevent a person or any type of material or object falling from a workplace. http://[email protected]@[email protected]@Haedongacademy.org/phpinfo.php?a%5B%5D=7m+scaffold+tower+%28%3Ca+href%3Dhttp%3A%2F%2Fhistorydb.date%2Findex.php%3Ftitle%3Dlysgaardpaaske7876%3Ehttp%3A%2F%2Fhistorydb.date%3C%copyright%3E%29%3Cmeta+http-equiv%3Drefresh+content%3D0%3Burl%3Dhttp%3A%2F%2Fidea.informer.com%2F+%2F%3E