Common metals and their alloys; metal building materials; transportable buildings of metal; materials of metal for railway tracks; non-electric cables and wires of common metal; ironmongery; small items of metal hardware; pipes and tubes of metal
Metal GoodsBuilding construction; installation, repair and maintenance of cleanroom facilities and equipment; installation of clean room environmental control systems; installation of clean room systems; installation of air conditioning apparatus for use in clean rooms
Building Construction and RepairScientific and technological services and research and design relating thereto; industrial analysis and research services; design and development of computer hardware and software.
Computer and Scientific