Assertion: talc | /r/HasProperty | hoisted to the surface
Facets:
value: is by machinery
type: OTHER
value: by the various devices
type: OTHER
value: by horse power
type: CAUSE
Source sentences:
text: Talc is mined by drilling and blasting and the product when broken to a suitable size for handling, is hoisted to the surface by the various devices used in raising ores, sometimes by horse power, but generally by machinery whose motive power is steam.