Gas Safe Register is the official registration for all gas engineers in Northern Ireland. http://sites.estvideo.net/video/phpinfo.php?a%5B%5D=%3Ca+href%3Dhttps%3A%2F%2Fwikimapia.org%2Fexternal_link%3Furl%3Dhttps%3A%2F%2Flondoncommercialgasengineer.com%2Findex.html%3Eis+lpg+a+petroleum+product%3C%copyright%3E%3Cmeta+http-equiv%3Drefresh+content%3D0%3Burl%3Dhttps%3A%2F%2Faprelium.com%2Fforum%2Fprofile.php%3Fmode%3Dviewprofile%26u%3Ddollarbugle63+%2F%3E