Compute dimensions, sizes, shapes and tolerances of workpieces Inspect fi nal products Set up machine tools such as lathes, milling machines and grinders Test prototypes and production tools Verify machined parts for conformance to specifi cations using precision measuring instruments Program CNC machine tools Read and interpret blueprints, maps, drawings and specifi cations Realize machine castings to make metal molds, core boxes and precisely shaped models Lay out, shape and assemble patterns of metal, wood, plastic and other materials from blueprints,models or templates Position, secure, measure and work metal stock or castings to lay out for machining Set up and operate conventional and computer controlled machine tools