42 Design for others in the field of engines, transmissions, propulsion systems and instruments therefor; development of new technology for others in the field of engines, transmissions, propulsion systems and instruments therefor; testing, analysis and evaluation of the goods and services of others for the purpose of certification; remote monitoring and surveillance services for computers and networks; diagnostic services; data analysis and assessment in the field of engines, transmissions, propulsion systems and instruments therefor, excluding nuclear power plant valves; technical consultation in the field of engines, transmissions, propulsion systems and instrumentation therefor, excluding nuclear power plant [valve;] *valves;* laboratory research in the field of engines, transmissions, and propulsion systems, engine oil, hydraulic fluid, fuel and filter debris analysis; technical supervision and inspection in the field of engines, transmissions and propulsion systems, engine oil, hydraulic fluid, fuel and filter debris analysis, technical support, namely, monitoring of network systems; lubricant analysis, fluid analysis, wet chemistry analysis and elemental analysis of filter debris chips and other debris in engines, transmissions and propulsion systems; filter analysis, gas path analysis of engines, transmissions, propulsion systems and instrumentation therefor, excluding nuclear power plant valves; failure detection and diagnosis of engines, transmissions, propulsion systems and instrumentation therefor, excluding nuclear power plant valves; computer programming for others; leasing and rental of computers and software; technical support services, namely, troubleshooting of computer hardware and software problems; maintenance, updating and upgrading of computer software; computer services, namely leasing access time to an online computer database in the field of engines, transmissions, propulsion systems and instrumentation therefor, excluding nuclear power plant valves; providing information in the field of engines, transmissions, propulsion systems and instrumentation therefor, excluding nuclear power plant valves