Assertion: broken ore | /r/HasProperty | removed via chute
Facets:
value: in the "shrinkage" method
type: MANNER
value: to allow
type: PURPOSE
Source sentences:
text: In the "shrinkage" method, only sufficient broken ore is removed via the chutes below to allow miners working from the top of the pile to drill and blast the next layer to be broken off, eventually leaving a large hole.