42 Computer software design, computer programming, or maintenance of computer software for detecting or analyzing fluctuating states of valves and other piping elements; computer software design, computer programming, or maintenance of computer software for simulating optimum energy efficiencies and other plant operation efficiencies of chemical, nuclear, power generation, petroleum, heat supply, steam and other plants; computer software design, computer programming, or maintenance of computer software for diagnosing and improving energy efficiencies and other plant operation efficiencies of chemical, nuclear, power generation, petroleum, heat supply, steam and other plants; computer software design, computer programming, or maintenance of computer software for visualizing fluctuating states of detected or analyzed valves and other piping elements, simulated results for optimizing energy efficiencies of plants and other plant operating efficiencies, or diagnosed and improved results for energy efficiencies of plants, and other plant operating efficiencies; computer software design, computer programming, or maintenance of computer software for detecting or analyzing plant operating states of chemical, nuclear, power generation, petroleum, heat supply, steam and other plants; computer software design, computer programming, or maintenance of computer software for diagnosing and improving plant operating states of chemical, nuclear, power generation, petroleum, heat supply, steam and other plants; computer software design, computer programming, or maintenance of computer software for visualizing fluctuating states of detected or analyzed valves and other piping elements, and diagnosed and improved results for plant operating states; computer software design, computer programming, or maintenance of computer software; consultancy in the field of computer software design, computer programming, or maintenance of computer software; design and development of computer programs for detecting or analyzing fluctuating states of valves and other piping elements; design and development of computer programs for simulating optimum energy efficiencies and other plant operation efficiencies of chemical, nuclear, power generation, petroleum, heat supply, steam and other plants; design and development of computer programs for diagnosing and improving energy efficiencies and other plant operation efficiencies of chemical, nuclear, power generation, petroleum, heat supply, steam and other plants; design and development of computer programs for visualizing fluctuating states of detected or analyzed valves and other piping elements, simulated results for optimizing energy efficiencies of plants and other plant operating efficiencies, or diagnosed and improved results for energy efficiencies of plants, and other plant operating efficiencies; design and development of computer programs for detecting or analyzing plant operating states of chemical, nuclear, power generation, petroleum, heat supply, steam and other plants; design and development of computer programs for diagnosing and improving plant operating states of chemical, nuclear, power generation, petroleum, heat supply, steam and other plants; design and development of computer programs for visualizing fluctuating states of detected or analyzed valves and other piping elements, and diagnosed and improved results for plant operating states; designing computer software computer programs to the specifications of others; providing computer programs in data networks, namely, providing on-line non-downloadable computer programs for use in database management; rental of computers; rental of detectors for detecting fluctuating states of valves and other piping elements; rental of measuring apparatus; rental of measuring apparatuses and instruments; testing or research on electricity, namely, on chemical, nuclear, power generation, petroleum, heat supply, steam and other plants, or machines, apparatus and instruments used in these plants; testing or research on other machines, apparatus and instruments, namely, testing the functionality of machines, research on machines; designing of machines, apparatus, instruments including their parts or systems composed of such machines, apparatus and instruments; technological advice relating to plant operations, computers and industrial machines, namely, technical consultation in the field of chemical, nuclear, power generation, petroleum, heat supply, steam and other plant engineering, namely, testing and evaluation of equipment to improve performance and efficiency of such equipment; scientific and technological services, namely, scientific testing or diagnosis of chemical, nuclear, power generation, petroleum, heat supply, steam and other manufacturing plants conducted based on fluctuating states of valves and other piping elements in the field of engineering; scientific and technological services, namely, scientific testing or diagnosis of other chemical, nuclear, power generation, petroleum, heat supply, steam and other manufacturing plants in the field of engineering; scientific and technological services, namely, scientific testing or diagnosis of wire communication apparatuses and instruments or radio communication apparatuses and instruments for transmitting fluctuating state data of valves and other piping elements plants in the field of telecommunications; scientific and technological services, namely, scientific testing or diagnosis of other telecommunication apparatuses and instruments, other than telephone sets, radio receivers and television receivers in the field of telecommunications; scientific and technological services, namely, scientific testing or diagnosis of detectors for detecting fluctuating states of valves and other piping elements in the field of chemical, nuclear, power generation, petroleum, heat supply, steam and other plant engineering; scientific and technological services, namely, scientific testing or diagnosis of other measuring devices, namely, detectors for detecting steam, drain, air, gas leakage for valves and other piping elements, automatic operation-testing apparatus for steam traps; testing or diagnosis of the functionality of computer hardware and their peripherals, other electronic apparatuses and instruments; technology inspection of chemical, nuclear, power generation, petroleum, heat supply, steam plants, and other manufacturing plants conducted based on fluctuating states of valves and other piping elements; technology inspection of chemical, nuclear, power generation, petroleum, heat supply, steam plants, and other manufacturing plants; technology inspection of wire communication apparatuses and instruments or radio communication apparatuses and instruments for transmitting fluctuating state data of valves and other piping elements; technology inspection of telecommunication apparatuses and instruments, other than telephone sets, radio receivers and television receivers; technology inspection of detectors for detecting fluctuating states of valves and other piping elements; inspection of measuring devices; technology inspection of computers and their peripherals, other electronic apparatuses and instruments