Assertion: hot tub | /r/CapableOf | keep the water temperature
Facets:
Source sentences:
text: Well, in colder weather, your hot tub will have to work a little harder to keep the water temperature high.
text: Hot tubs with either little insulation or low-quality insulation stand to lose much of their heat through the four sides of the spa, forcing the components to work harder to keep the water temperature consistently high.