Assertion: boiler's water | /r/HasProperty | useful
Facets:
value: for transferring heat
type: PURPOSE
value: for keeping food
type: PURPOSE
Source sentences:
text: A bain marie or "water bath" puts the cooking vessel directly in contact with hot water, which is useful for keeping food warm or for baking desserts that contain eggs.
text: Water is useful and cheap medium for transferring heat to a process.