Well that wraps the Top-10 River Nile Must-Sees. I could have included another 100 sites from the Nile Source, through the Nile Valley, to the Nile Delta, but I want to leave something for you to discover for yourself.
The framing square is one of the most frequently used Builder tools. The problems it can solve are so many and varied that books have been written on the square alone. Only a few of the more common uses of the square can be presented here.
Community Q&A. A speed square is actually the shape of a triangle, initially designed in 1925 by Albert J. Swanson. It has been used as a fast and accurate way to mark roof rafters. Today, it helps carpenters to do much more and is instrumental in any construction project, big or small. The speed square has gradations marked with degree measurements, which helps to simplify material layout and lumber cutting.