Assertion: stringer | /r/HasProperty | level
Facets:
value: perfectly
type: DEGREE
value: before pouring concrete
type: TEMPORAL
Source sentences:
text: Make sure your stringers are level.
text: Level across the stringers at the bottom and adjust the low stringer up with shims until all three stringers are level.
text: When you nail the kickplate and ledger to the stringers, verify the stringers are plumb and level before attaching these boards.
text: If you have a cast in set, it is essential that both stringers are perfectly level and in line before pouring concrete (prop if necessary)—as you cannot undo this process.