Assertion: hot tub's cover | /r/CapableOf | keep heat
Facets:
Source sentences:
text: A properly secured cover keeps heat, water, and chemicals in, while keeping debris, pets, and kids out.
text: The fitted cover has child-protected safety locks and a foil lining to help retain heat.
text: Some hot tubs come with a cover that retains the heat and saves the electric energy because you don’t have to use a lot of energy every time you need to use the tub.
text: A properly secured cover keeps heat, water, and chemicals in, while keeping debris, pets, and kids out.
text: Though the cover keeps heat in, it’s relatively thin compared to other hot tub covers.