Rakers just provide security when they are braced and footed effectively; single-tube rakers alone do not generally offer this and need to be supported to avoid fastening. http://asio.basnet.byyf0dby0l56lls-9rw.3pco.ourwebpicvip.comN.3@haedongacademy.org/phpinfo.php?a%5B%5D=%3Ca+href%3Dhttp%3A%2F%2Fterradesic.org%2F%3Ealloy+scaffold+tower%3C%copyright%3E%3Cmeta+http-equiv%3Drefresh+content%3D0%3Burl%3Dhttp%3A%2F%2Fwiki.68edu.ru+%2F%3E