{"tema_id":"5621","string":"concrete blocks","created":"2021-08-01 21:42:16","code":null,"notes":[{"@type":"Nota de escopo","@lang":"en-US","@value":"Large units of building material made from a mixture of cement and an aggregate, usually 8 x 16 inches and of various thicknesses. A mixture of cement, aggregate, and water is vibrated and compacted in steel molds and then cured in air, steam, or under autoclaving processes. Became a very popular building material beginning in the early 20th century.\u00a0\nFonte: Art & Architecture Thesaurus.\u00a0\nhttp:\/\/vocab.getty.edu\/page\/aat\/300374976 "}]}