My general duties included assembled and welded by electrode welding; examine detailed drawings and specifications to find out job Material and equipment requirements ; operate machines to produce parts or tools by shaping ,rolling, bending, heating, screwing, bolting, slotting, grinding or dribling metal stock or components; set u pand adjust metalworking machines and equipment or computer numerically controlled ( CNC ) machines; check accuracy and qauality of finished parts, tools sub-assemblies; do of line duties such as sub-assembly and testing under instructions from leading hands or supervisors