Assertion: water heater | /r/MadeOf | steel
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: This lining is actually porcelain enamel and the coating helps to protect the water heater (which is usually made from steel) from corrosion.
text: This lining is actually porcelain enamel and the coating helps to protect the water heater (which is usually made from steel) from corrosion.