Assertion: pit | /r/HasProperty | clean
Facets:
Source sentences:
text: When the pit is clean and the person has replaced the pump, he should check to make sure that the float is moving freely.
text: Thus, lean ore or waste inclusions within the ore can be taken out and disposed of separately only if the ore is first cleaned from the slopes and bottom of the pit and the mill holes emptied, and then the pit is cleaned and mill holes are emptied again after the waste is blasted out.