Assertion: concrete | /r/HasProperty | cement
Facets:
Source sentences:
text: Concrete is a construction material composed of cement (commonly Portland cement) as well as other cementitious materials such as fly ash and slag cement, aggregate (generally a coarse aggregate such as gravel limestone or granite, plus a fine aggregate such as sand), water, and chemical admixtures.
text: Concrete is made of cement plus water, sand and coarse aggregate (or gravel rock).
text: Concrete is a construction material composed of cement, fine aggregates (sand) and coarse aggregates mixed with water which hardens with time.