Assertion: air cushion | /r/HasProperty | checked
Facets:
value: weekly
type: TEMPORAL
Source sentences:
text: Foam, gel and viscous fluid cushions should be checked monthly and air cushions should be checked weekly.
text: Therefore, an air cushion should be checked weekly to insure that it is properly inflated and the bony prominences are supported.
text: Foam, gel and viscous fluid cushions should be checked monthly and air cushions should be checked weekly.