Assertion: calcium chloride | /r/ObjectUse | used on bluestone
Facets:
value: with proper gradation
type: OTHER
Source sentences:
text: However, with proper gradation, calcium chloride can be used on almost all unpaved surfaces (both large and small), including earth, cinders, gravel, sand, bluestone, shale, limestone, clay, graded crushed stone, shell, and other similar local materials.