Produces machined parts using a Computer Numerical Control (CNC) lathe machine. Studies work orders, blueprints, engineering plans, materials, specifications, reference planes, locations of surfaces, and machining parameters; interpreting geometric dimensions and tolerances (GD&T). Checks SPC charts for frequency of checks, gauging and measurements.. A Support 3 requires broad knowledge of operational procedures and tools obtained through extensive work experience and may require vocational or technical education. Responsibilities typically include: Works under limited supervision for routine situations.. Provides assistance and training to lower level employees.. Problems typically are not routine and require analysis to understand.