From the late 19th century through the 1930s, terra cotta was widely used as a facade material in the United States. Terra cotta initially became popular because of its fireproof qualities, and was soon recognized for its aesthetic characteristics as well. The material could be fabricated in simple or elaborate forms, with glazes providing a wide range of colors and aesthetic effects. Terra cotta is generally durable, but when facade rehabilitation is planned, one of the most challenging questions is whether a distress condition that is observed requires repair or replacement of the unit, or can be left as is.
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机译：从19世纪末到20世纪30年代，Terra Closta广泛用作美国的外立面材料。 Terra Closta最初因其防火品质而变得流行，并很快被识别为其审美特性。该材料可以简单或精细的形式制造，玻璃提供各种颜色和美学效果。 Terra Closta通常是耐用的，但是当计划康复时，最具挑战性的问题之一是观察到的遇险条件是否需要修理或更换单位，或者可以按照留言。
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