Assertion: hydrogen fluoride | /r/HasSubevent | fatal exposure
Facets:
value: through inhalation
type: MANNER
value: upon contact with the skin
type: TEMPORAL
Source sentences:
text: Hydrogen fluoride is more dangerous than salts such as NaF because it is corrosive and volatile, and can result in fatal exposure through inhalation or upon contact with the skin; calcium gluconate gel is the usual antidote.