Assertion: dry ice | /r/AtLocation | confined space
Facets:
value: for more than 10 minutes
type: TEMPORAL
Source sentences:
text: If dry ice has been in a confined space (e.g. a closed car or room) for more than 10 minutes, open the doors and windows before entering or you could experience difficulty breathing.
text: If Dry Ice has been in a confined space (e.g. a closed car or room) for more than 10 minutes, open the doors and windows before entering or you may experience difficulty breathing.