Assertion: concrete | /r/HasProperty | composite building material
Facets:
Source sentences:
text: Concrete is a composite building material made from the combination of aggregate (composite) and a binder such as cement.
text: Concrete is a composite building material made from the combination of aggregate and a binder such as cement.
text: Concrete is a composite building material and the ingredients, of which cement is just one, have changed over time and are changing even now.