42 design, engineering, research, development, and testing services in the fields of photomasks, screens, semiconductors, circuit boards, and computer chips; design, engineering, research, development, and testing services in the field of manufacturing of photomasks, screens, semiconductors, circuit boards, and computer chips; design, engineering, research, development, and testing services in the fields of machines, apparatus, and instruments used in the manufacturing of photomasks, screens, semiconductors, circuit boards, and computer chips; design, engineering, research, development, and testing services in the fields of data paths for pattern converters and systems for performing advanced processing operations on electronic pattern data and design; technical advice, information, and consultancy in relation to photomasks, screens, semiconductors, circuit boards, and computer chips; technical advice, information, and consultancy in relation to manufacturing of photomasks, screens, semiconductors, circuit boards, and computer chips; technical advice, information, and consultancy in relation to machines, apparatus, and instruments used in the manufacturing of photomasks, screens, semiconductors, circuit boards, and computer chips; technical advice, information and consultancy in relation to data paths for pattern converters and systems for performing advanced processing operations on electronic pattern data and design; design and development of computer software; design and development of computer hardware; product research and development; testing and quality control services; quality control services of photomasks; testing of semiconductors and photomasks; product testing; product quality testing; quality control for others; quality control for goods and services; providing online non-downloadable computer software used for measuring, inspecting, monitoring, detecting, testing and quality control of photomasks; installation, maintenance and repair of computer software