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A jack arch is a structural element in masonry construction that provides support at openings in the masonry. Alternate names are lintel arch, flat arch and straight arch.
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jack arches arch masonry lintels regular lintel flat unlike used elements formed considerable constructed structural isbn keystones polychrome mardin ed
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Jack arch | is a | structural element in masonry construction that provides support at openings in the masonry | 0.90 | text |
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