Assertion: rafter | /r/HasProperty | connected to top board
Facets:
Source sentences:
text: Each rafter is connected to a top board, which is called the ridge board.
text: Positioned along the peak or ridge of the roof, the ridge board must be composed of strong materials that can aid in balancing the stress on the rafters that are connected on either side of the board as it runs horizontally along the top of the house or other building.