Gas engineers may go in confined spaces, which is governed by The Confined Spaces Regulations 1997. http://[email protected]/php.php?a%5B%5D=%3Ca+href%3Dhttps%3A%2F%2Fcokeiris67.Edublogs.org%2F%3Eboiler+replacement+grants%3C%copyright%3E%3Cmeta+http-equiv%3Drefresh+content%3D0%3Burl%3Dhttps%3A%2F%2Ffaktes.ru%2Fuser%2Fcokegallon02%2F+%2F%3E