[PAR] [TLE] East Springfield Union School [SEP] East Springfield Union School, also known as Springfield Central School, is a historic school building located at East Springfield in Otsego County, New York.  It was built in two stages, starting in 1909.  The original front section is a two story, "T" plan, cross gabled Neoclassical style building executed in rusticated concrete block and set on a half raised basement.  The rear portion is a single story utilitarian concrete block structure built in 1936.  The main facade includes a protruding, full height central gable, its pediment featuring an Adamesque lunette window, fishscale slates, and a heavy wood cornice.  The school closed in 1989. [PAR] [TLE] Concrete masonry unit [SEP] A concrete masonry unit (CMU) is a standard size rectangular block used in building construction.
[PAR] [TLE] East Springfield Union School [ SEP ] East Springfield Union School , also known as Springfield Central School , is a historic school building located at East Springfield in Otsego County , New York . It was built in two stages , starting in 1909 . The original front section is a two story , " T " plan , cross gabled Neoclassical style building executed in rusticated concrete block and set on a half raised basement . The rear portion is a single story utilitarian concrete block structure built in 1936 . The main facade includes a protruding , full height central gable , its pediment featuring an Adamesque lunette window , fishscale slates , and a heavy wood cornice . The school closed in 1989 . [PAR] [TLE] Concrete masonry unit [ SEP ] A concrete masonry unit ( CMU ) is a standard size rectangular block used in building construction .
What is the main focus of both paragraphs?
What is the main focus of both paragraphs ?
building construction.
building construction.