Assertion: water heater's water | /r/HasProperty | corrosive
Facets:
value: to carbon steel
type: OTHER
value: very
type: DEGREE
Source sentences:
text: Vitreous-lined tanks are much lower in initial cost, and often include one or more sacrificial anode rods designed to protect the tank from perforation caused by corrosion made necessary since chlorinated water is very corrosive to carbon steel.