mechanically operated metal valves and mechanically operated pressure regulating and control valves, safety valves and fluid control valves, all made wholly or principally of metal

Weather forecasting, pollution measuring and benchmarking services, namely, technical air quality monitoring services relating to the health impact of air pollution exposure; providing technical air quality information and consulting; computer application service provider services, namely, providing online non-downloadable software in the fields of weather, air quality and pollution for air quality and pollution measuring and benchmarking