To be successful. carpentry projects must be square, level, and plumb. Square means that corners are 90 degrees. Level is always gauged by a device, such as a carpenter's level, but level does not ...
PITTSBURGH, Aug. 7, 2025 /PRNewswire/ -- "I work in construction, and I thought there could be a speed square with multiple integrated levels," said an inventor, from West Palm Beach, Fla., "so I ...