Assertion: rafter | /r/CapableOf | set perpendicular
Facets:
value: across them
type: LOCATION
Source sentences:
text: 3 Adapt the connection of the new roof to the style of the addition; some flat roofs have rafters from a ledger to supports at the end of the roof, others have large outside beams with rafters set perpendicular across them, others have walls that tie into the house and support the flat roof.