This employee possesses knowledge of the tools (i.e. hammers, punches, files, stones, etc.) and gauges needed to perform assigned duties, has limited knowledge in the operation of gun-smiting machinery such as lathes, milling machines, surface grinders, etc., as well as limited knowledge of tooling used with those machines. Employee possesses required knowledge in the use of hand tools, machine tools, and other equipment necessary to perform assigned duties, has the knowledge and skill to design and construct prototype small arms from drawings or customer input.