Assertion: hydrogen chloride | /r/ObjectUse | used for pickling
Facets:
value: in leather tanning
type: LOCATION
value: in petroleum
type: LOCATION
Source sentences:
text: Hydrogen chloride is used for cleaning, pickling, and electroplating metals; in refining mineral ores; in petroleum well extraction; in leather tanning; and in the refining of fats, soaps, and edible oils.