9 Electromechanical controls for miniature drives, transmission gears, and electric motors for machines; electrical conductors and circuits for weak current engineering; electric and electronic, magnetic, optical, and acoustic sensors for use in connection with miniature drives, transmission gears, and electric motors for machines; computer and database management software for use in operating miniature drives, transmission gears, and electric motors for machines; machine readable magnetic data carriers for storage and retrieval of instruction for operating miniature drives, transmission gears, and electric motors for machines