Edison - Mechanical Engineering Mouse Pad

Summary of all the GD&T symbols, how to write in a 2D drawing, and the geometric implications.
Commonly used materials in the industry and their properties.
Fits & limits summary table and recommended pairs by use.
Commonly used coatings in the industry and how to designate them in a 2D drawing.
List of sizes, threads, and strength with head and drive shapes.
Conversions of most used units between metric and imperial systems.