Read and follow complex blueprints and sketches, make machine and tooling adjustments for a wide range of parts, operate both part and tool probing for accurate measurements, along with a variety of precision measuring instruments to verify exact tolerances and finishes. Completion of two to four years Trade or Technical School, or equivalent, requiring use of advanced shop mathematics, together with the use of complicated drawings, specifications, charts, tables, handbook formulas, and a wide variety of precision measuring instruments.