42 Design of on-site computer systems for use of concerning chemicals and industrial and specialty gases for use in the electronics, semiconductor, and microelectromechanical industries; design of industrial plants for the electronics industry; design of computer systems and software for use in the electronics, semiconductor and microelectromechanical industries; Engineering services in the field of computer systems, industrial plants, equipment and software for the storage, delivery, monitoring, analysis, usage, recovery and reuse and on-site generation of chemicals, chemical compositions, gases and materials for the electronics, semiconductor and microelectromechanical industries; Inspecting industrial gas plants and chemical storage and delivery machines, to ensure compliance with industry standards; operational and product safety testing of assessment of plants and machines for delivering chemicals and gases to equipment used in the fabrication of electronic devices; operational and product safety testing assessments for industrial installations, plants, machinery for delivering chemicals and gas to equipment used in the fabrication of electronic devices, computer systems and software; operational evaluation of machines for delivering chemicals to equipment used in the fabrication of electronic devices and industrial plants, industrial installations, computer systems and software to determine the conformity with industry standards; inspection and analytical testing of industrial installations, plants, chemical and gas storage and delivery machines, chemical and gas mixing machines, machinery to recover and store chemicals and gas prior to or during usage, computer systems and software; environmental inspection and analytical testing of industrial plants; Operations evaluation and safety assessments of chemicals and gases used in the fabrication of electronic devices; inspection of chemicals and gases used in the fabrication of electronic devices; inspection of machinery for delivering, inspecting, installing and monitoring chemicals and gases used in the fabrication of electronic devices; inspection and testing of industrial installations, plants, chemical and gas storage and delivery machines, chemical and gas mixing machines, machines to recover and store materials prior to or during usage, computer systems and software for the storage, delivery, monitoring, analysis, usage, recovery and reuse and on-site generation of chemicals, chemical compositions, gases and materials for the electronics, semiconductor and microelectromechanical industries to determine the conformity with industry standards; environmental inspection and testing of plants for the storage, delivery, monitoring, analysis, usage, Inspection services, namely, leak checks and monitoring the connection points for chemical and gas leaks of containers in the field of the electronics, semiconductor, and microelectromechanical industries