In earthquake-prone areas
http://www.mediafire.com/file/8qb46qz6fvoko7p/pdf-66026-4892.pdf
In earthquake-inclined areas, seismic strapping and flexible fuel connectors is perhaps covered in furnace costs to fulfill local constructing codes.
In earthquake-inclined areas, seismic strapping and flexible fuel connectors is perhaps covered in furnace costs to fulfill local constructing codes.