Perform high skill level work with effective use and understanding of complex schematics, drawings, final assembly blueprints, wiring diagrams or specifications, which may require excellent manual dexterity and use of wide variety of hand tools, soldering, wiring, crimping cable routing, special care in handling and soldering where access is somewhat difficult. Starting as a hardware supply store during the California Gold Rush and eventually assisted in the birth of the aerospace industry in Southern California by providing aircraft aluminum to early aerospace pioneers like Lindbergh, Douglas and Lockheed.