Assertion: cobblestone | /r/HasProperty | set in sand
Facets:
value: typically
type: DEGREE
Source sentences:
text: Cobblestones are typically either set in sand or similar material, or are bound together with mortar.
text: Cobblestones set in sand have the environmental advantage of being permeable paving, and of moving rather than cracking with movements in the ground.
text: The cobblestones were then set in sand or mortar.
text: When set in sand or bound with mortar, cobblestones once proved perfect for paving roads.