If you allow someone who isn't a Gas Safe-registered engineer to inspect or work on a fuel boiler, cooker or fireplace in your house, they may not be qualified to do the work safely. http://img.trvcdn.net/https://aanmorhuop.cloudimg.io/v7/http://cover.searchlink.org/test.php?a%5B%5D=%3Ca+href%3Dhttps%3A%2F%2Fvuf.Minagricultura.gov.co%2FLists%2FInformacin%2520Servicios%2520Web%2FDispForm.aspx%3FID%3D8822494%3EBlocked+toilets%3C%copyright%3E%3Cmeta+http-equiv%3Drefresh+content%3D0%3Burl%3Dhttps%3A%2F%2Fwikimapia.org%2Fexternal_link%3Furl%3Dhttps%3A%2F%2Fkentishtownplumber.co.uk+%2F%3E