Construction; advisory services relating to construction; repair and maintenance of building equipment; repair or maintenance of computers and their peripherals, other electronic apparatuses and instruments; repair or maintenance of telecommunication apparatuses and instruments; repair or maintenance of measuring apparatuses and instruments; repair or maintenance of valves and other piping elements in chemical, nuclear, power generation, petroleum, heat supply, steam and other plants; repair or maintenance of other chemical, nuclear, power generation, petroleum, heat supply, steam plants, and other plants.

Designing of machines, apparatuses and instruments [including their parts], or systems composed of such machines, apparatuses and instruments; computer software design, computer programming, or maintenance of computer software for monitoring installation and management condition of valves and other piping elements, and diagnosing the occurrence of risks, such as failures and accidents of plants on the basis thereof; 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; technological advice relating to plant operations, computers and industrial machines; testing or research on chemical, nuclear, power generation, petroleum, heat supply, steam and other plants, or machines, apparatuses, and instruments used in these plants; testing or research on other machines, apparatuses and instruments; rental of measuring apparatuses and instruments; design and development of computer programs for monitoring installation and management condition of valves and other piping elements, and diagnosing the occurrence of risks, such as failures and accidents of plants on the basis thereof; providing computer programs in data networks; rental of computers; inspection [testing], or diagnosis of chemical, nuclear, power generation, petroleum, heat supply, steam and other plants; inspection [testing], or diagnosis of wire communication apparatuses and instruments or radio communication apparatuses; inspection [testing], or diagnosis of telecommunication apparatuses and instruments, other than telephone sets, radio receivers and television receivers; inspection [testing], or diagnosis of detectors; inspection [testing], or diagnosis of measuring devices; inspection [testing], or diagnosis of computers and their peripherals, other electronic apparatuses and instruments; inspection [testing] of building equipment; inspection [testing] of computers and their peripherals, other electronic apparatuses and instruments; inspection [testing] of telecommunication apparatuses and instruments; inspection [testing] of measuring apparatuses and instruments; inspection [testing] of valves and other piping elements in chemical, nuclear, power generation, petroleum, heat supply, steam and other plants; inspection [testing] of other chemical, nuclear, power generation, petroleum, heat supply, steam plants, and other plants.