Assertion: dry ice | /r/HasProperty | directed at surface
Facets:
value: in order to clean it
type: PURPOSE
Source sentences:
text: Dry ice blasting is a form of carbon dioxide cleaning, where dry ice, the solid form of carbon dioxide, is accelerated in a pressurized air stream and directed at a surface in order to clean it.
text: It is also used as a form of cleaning, known as dry ice-blasting, where dry ice is accelerated in a pressurised air stream and directed at a surface in order to clean it.