Assertion: kettle | /r/CapableOf | use in single boil
Facets:
Source sentences:
text: An energy-efficient lamp rated at 10 watts uses 10 joules of energy every second (because 1 watt means using one joule per second), so it would take it 37,800 seconds—about 10.5 hours—to use as much energy as our kettle uses in a single boil!