Assertion: mortar's cement | /r/HasProperty | the most expensive
Facets:
value: often
type: TEMPORAL
value: in countries
type: LOCATION
value: in use
type: OTHER
value: most energetically
type: MANNER
value: of the various ingredients
type: OTHER
Source sentences:
text: Of the various ingredients used to produce a given quantity of concrete, the cement is the most energetically expensive.
text: In countries where volcanic ashes are available (e.g., Italy, Chile, Mexico, the Philippines), these cements are often the most common form in use.
text: Cement is the most costly ingredient and is held to the minimum consistent with desired strength and watertightness.