42 Design, development, and testing of computer hardware and computer software for wind turbines, wind power plants, wind mills, and wind-driven machines; Technical consulting and technical support for the construction, installation, maintenance, service, repair, and preparation of wind turbines, wind power plants, wind mills, and wind-driven machines; Consulting services for others in the field of design, planning, and implementation project management of wind turbines, wind power plants, wind mills, and wind-driven machines; Construction project management services in the field of wind turbines, wind power plants, wind mills, and wind-driven machines