1.   It was all tubular steel and smoked glass.

2.   The Renaissance Center is a huge tubular steel and glass shopping mall.

3.   Unlike traditional playgrounds that are made of metal and wood, these are made of foam-padded tubular steel and plastic.

4.   Construction was conventional, with a tubular steel fuselage covered in fabric.

5.   Main support for the wing was provided by a large central pylon constructed from tubular steel and covered by Duralumin.

6.   The wing was braced by tubular steel struts located between the hull and underwing surfaces.

7.   A tubular steel table and two chairs that he designed are at the Yale University Art Gallery.