You can follow safety guidance from HSE that advise you to include tools such as ladder guards and border fence, when it concerns erecting your scaffolding for your project. http://www.kepenk20trsfcdhf.hfhjf.hdasgsdfhdshshfsh@forum.annecy-outdoor.com/suivi_forum/?a%5B%5D=%3Ca+href%3Dhttps%3A%2F%2Fwww.daoduytu.edu.vn%2F%3EScaffold+Jacks+For+Sale%3C%copyright%3E%3Cmeta+http-equiv%3Drefresh+content%3D0%3Burl%3Dhttps%3A%2F%2Fwww.Daoduytu.Edu.vn%2Fforum%2Flinks.php%3Furl%3Dhttps%3A%2F%2Fbrentscaffolding.co.uk%2Findex.html+%2F%3E