21. The interior is characterized by a staircase of an elegant openwork arches, serving all floors. 22. The warp threads interact with the brass bobbin threads to form the net or openwork ground. 23. Apron tops and dressy overalls worn with lacy openwork -knit sweaters are another great option here. 24. In German and Spanish Gothic architecture it often appears as openwork screens on the exterior of buildings. 25. On one face it has panels of openwork decoration in Viking Ringerike style over the wood case. 26. It is characterized by openwork , which allows the surface of the underlying object to show through. 27. The shapes and styles of women's paired brooches varied regionally, but many used openwork . 28. The bronzes tend to be flat and use openwork , like the related metalwork of Scythian art. 29. Would David Smith have made his abstractions but for the openwork welded pieces of Julio Gonzalez and Picasso? 30. Its staircase also utilizes openwork metal screens that she had originally chosen for the Yale Art Gallery project.