Assertion: tower's shape | /r/HasAspect | top and bottom chords
Facets:
Source sentences:
text: The lower portion I at the top has an upwardly extending waist 5 of substantially rectangular shape in cross section having top and bottom chords 6 and 1 at opposite faces of the tower and top and bottom chords 8 and 9 at the sides, respectively, which are connected together by means of diagonal braces adapted to form side trusses for the sides of the waist.