To oven-steam ribs, place ribs in a large baking pan, fill with about 1 inch of water, cover with aluminum foil and bake for about 50 minutes in a 350-degree oven. The recipe here includes instructions on how to boil ribs before grilling.
A rafter is one of a series of sloped structural members (beams) that extend from the ridge or hip to the wall plate, downslope perimeter or eave, and that are designed to support the roof deck and its associated loads. A pair of rafters is a couple.
Building Rafters. A framing square is used for more than just 90 degree cuts. The plumb cut, at the top of the rafter, and the seat or heel cut, at the bottom, have a 90 degree relationship to each other. In order to build rafters you need to know the roof pitch and the roof span (overall width of roof).