Architectural services; design of civil engineering and construction works; consultancy of designing bridges, dams, steel structure, and undersea structure; consultancy of designing civil engineering structures, concrete structures and underground structures; consulting of construction planning; designing of building installation; urban planning; technical design and planning of water supply and sewerage system; geological surveys; investigation, analysis, monitoring and surveying of landslides for environmental protection; designing of machines, apparatus, instruments [including their parts] or systems composed of such machines, apparatus and instruments; engineering; computer software design, computer programming, or maintenance of computer software; testing or research on civil engineering; advice, consultancy and provision of information relating to energy efficiency and energy saving; testing or research on electricity generation, transmission, or distribution and consultancy thereof; consultancy in the field of energy-saving; research and study of prevention of natural disaster; research on environment assessment; research and planning of land readjustment project; research, study and advice relating to urban development, community space development and environmental improvement; research, study and advice relating to construction planning of construction, water control, sand embankment, coastal conservation, port, airport, power development, road, railroad, water supply and sewerage, industrial water supply, irrigation and drainage, cultivated land improvement, farmland conservation, forestry conservation, and forest road; research, study and technological consultancy for civil engineering, construction works or environmental protection related to river and groundwater development; research, study and technological consultancy on construction of waste disposal and waste treatment facilities; research, study and technological consultancy on construction and maintenance of water supply and sewerage facilities and equipment; providing computer programs on data networks.;