Assertion: tub's surface | /r/HasProperty | level
Facets:
value: reasonably
type: DEGREE
Source sentences:
text: Hot tubs require a structurally sound and level flat surface.
text: For both indoor and outdoor spas, you will need a structurally sound flat surface that is reasonably level.
text: Once the surface is level, you can then lay down the backer board and put the rest of the shower appliance together.