Construction of chemical, nuclear, power generation, petroleum, heat supply, steam and other plants; construction; advisory services relating to the construction of chemical, nuclear, power generation, petroleum, heat supply, steam and other plants; advisory services relating to the construction of buildings and other structures; repair or maintenance of chemical, nuclear, power generation, petroleum, heat supply, steam and other plants conducted based on fluctuating states of valves and other piping elements; repair or maintenance of other chemical, nuclear, power generation, petroleum, heat supply, steam and other plants; repair, replacement or maintenance of wire communication apparatuses and instruments or radio communication apparatuses and instruments for transmitting fluctuating state data of valves and other piping elements; repair, replacement or maintenance of telecommunication apparatuses and instruments, other than telephone sets, radio receivers and television receivers; repair, replacement or maintenance of detectors for detecting fluctuating states of valves and other piping elements; repair, replacement or maintenance of measuring devices; repair or maintenance of building equipment; repair, replacement or maintenance of computers and their peripherals, other electronic apparatuses and instruments

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 programs to the specifications of others; designing computer programs for data networks; rental of computers; rental of measuring apparatus; rental of measuring apparatuses and instruments; testing and research on chemical, nuclear, power generation, petroleum, heat supply, steam and other plants, or machines, apparatus and instruments used in these plants; testing and research on other machines, apparatus and instruments; 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; inspection in the nature of testing of chemical, nuclear, power generation, petroleum, heat supply, steam and other plants conducted based on fluctuating states of valves and other piping elements; inspection in the nature of testing of other chemical, nuclear, power generation, petroleum, heat supply, steam and other plants; inspection in the nature of testing of wire communication apparatuses and instruments or radio communication apparatuses and instruments for transmitting fluctuating state data of valves and other piping elements; inspection in the nature of testing of other telecommunication apparatuses and instruments, other than telephone sets, radio receivers and television receivers; inspection in the nature of testing of detectors for detecting fluctuating states of valves and other piping elements; inspection in the nature of testing of measuring devices; inspection in the nature of testing of building equipment; inspection in the nature of testing of computers and their peripherals, other electronic apparatuses and instruments