Assertion: balsa's structure | /r/HasProperty | lightweight
Facets:
value: both
type: OTHER
Source sentences:
text: Triangles are inherently strong and stable, and structures made out of them are also strong, rigid, and lightweight.
text: Building such a wooden tower is a task that requires you to combine aesthetic design with hard science, to give rise to a structure that is both light weight and visually appealing, at the same time.