Assertion: magnesium | /r/HasProperty | coated with a layer of oxide
Facets:
value: normally
type: TEMPORAL
Source sentences:
text: Normally magnesium is coated with a layer of oxide, MgO, that protects magnesium from air and water.
text: Normally magnesium is coated with a layer of oxide, MgO, that protects magnesium from air and water.