While the mixing process is the same for fire clay mortar or refractory mortar, the portions of its materials will vary depending on the type of cement used. The mix for refractory or fire clay mortar is different from typical mortar to compensate for its exposure to high temperatures. Refractory mortar should also not be exposed on the inside part of an oven to minimize its shrinkage.
Largo is the third largest city in Pinellas County, Florida, USA and is part of the Tampa Bay Area. Centrally located, it is the crossroads of the county. As of the 2000 census, the City had a total population of 69,371. As of 2004, the population recorded by the U.S. Census Bureau was 71,704. Largo was first incorporated in 1905. In 1913, it became the first municipality in Pinellas County to adopt a Council-Manager government.
Both Fleming Key and Sigsbee Park are part of Naval Air Station Key West and are inaccessible by civilians. Key West is the county seat of Monroe County. Key West is the southernmost city in the Continental United States. It also contains the southern terminus of U.S. 1, State Road A1A, the East Coast Greenway and, before 1935, the Florida East Coast Railway.