Which tool is typically used to draw a pounds to inches gas supply connection to an appliance?

In the context of creating detailed technical drawings for gas supply connections, a drafting board is the most suitable tool. It provides a stable and flat surface that allows for precision in drawing. When creating plans or schematics, particularly those that need to convey accurate dimensions and angles, the drafting board facilitates this by offering a controlled environment where the draftsman can utilize rulers, compasses, and other drawing tools effectively.

While a ruler, pencil, and graphic software can all contribute to the drafting process, the drafting board is essential for ensuring the integrity of the physical drawing, allowing for corrections and adjustments while maintaining the overall clarity and detail needed in engineering drawings. In this case, it ensures that the specified dimensions for gas supply connections are presented clearly and accurately.