Assertion: solar water heater | /r/ObjectUse | used in any climate
Facets:
Source sentences:
text: They can be used in any climate, and the fuel they use -- sunshine -- is free.
text: Solar water heaters can be used in any climate and can even recoup their installation costs more quickly because they do not rely on gas or electricity – only sunshine.
text: They can be used in any climate, and the fuel they use sunshine is free.