Stencil for construction industry drawings - includes symbols used for building industry standards and is made as plate selected with different corner angles

摘要

The stencil for drawings used in the construction industry includes basic and part element symbols in accordance with building industry standards and the rules of the construction industry. It is made as a stencil body in a rectangular or square outside shape or in a plate form with varying corner angles. The stencil can be made either with or without bore settings. The plate shape varies in accordance with the corner angles selected and is adjustable relative to its base line, and the body of the stencil when subject to a horizontal turning movement changes relative to one base line when one of the circumferential lines is placed in position.