Assertion: sacrificial anode | /r/CapableOf | protect hot water tank
Facets:
value: due to corrosion
type: CAUSE
value: from early failure
type: TEMPORAL
Source sentences:
text: By inserting into the water heater tank a rod made of a metal which is more readily corroded than the steel of a steel hot water tank, the sacrificial anode protects the hot water tank from early failure due to corrosion.