A square ruler, also known as a carpenter's square or framing square, is a tool used in woodworking, metalworking, and construction to ensure that right angles are accurately measured and marked. The tool consists of two arms, one of which is longer than the other, that meet at a right angle. The longer arm is called the blade, while the shorter arm is called the tongue. The blade is marked with measurements along its length, while the tongue is used to make precise measurements and to mark lines at right angles to the blade. Square rulers are typically made from metal, such as steel or aluminum, and come in a variety of sizes, ranging from small pocket-sized models to large framing squares used in construction. They are an essential tool for any woodworker or metalworker, as they allow for precise measurements and cuts to be made with ease. In addition to their use in woodworking and metalworking, square rulers are also used in fields such as engineering and architecture. To use a square ruler, the blade is placed against the edge of the material being measured or cut, while the tongue is used to mark a line at a right angle to the blade. The tool can also be used to check the squareness of a corner or to ensure that a piece of material is properly aligned. In conclusion, square rulers are an essential tool for anyone working with wood, metal, or construction materials. They allow for precise measurements and cuts to be made, ensuring that projects are completed accurately and efficiently.
carpenter's square, framing square, woodworking, metalworking, construction
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