Assertion: sea's water | /r/HasProperty | indicated by the formation of limescale
Facets:
value: in water heaters
type: LOCATION
value: in domestic settings
type: LOCATION
value: in kettles
type: LOCATION
value: often
type: TEMPORAL
Source sentences:
text: In domestic settings, hard water is often indicated by a lack of foam formation when soap is agitated in water, and by the formation of limescale in kettles and water heaters.