Assertion: mortar's cement | /r/HasProperty | inorganic
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: Cements used in construction are usually inorganic, often lime or calcium silicate based, which can be characterized as non-hydraulic or hydraulic respectively, depending on the ability of the cement to set in the presence of water (see hydraulic and non-hydraulic lime plaster).