9 3D scanners; 3D spectacles; accelerometers; audio- and video-receivers; computer game software, downloadable; computer game software, recorded; computer hardware; computer keyboards; computer memory devices; computer network routers; computer operating programs, recorded; computer peripheral devices; computer programs, downloadable, for the design, construction, operation, and maintenance of civil infrastructure and municipal infrastructure; computer programs, recorded, for the design, construction, operation, and maintenance of civil and municipal infrastructure; computer screen saver software, recorded and downloadable; computer software applications, downloadable, for the design, construction, operation and maintenance of civil infrastructure and municipal infrastructure; computer software platforms, recorded and downloadable, for the design, construction, operation, and maintenance of civil infrastructure and municipal infrastructure; computer software, recorded, for the design, construction, operation, and maintenance of civil infrastructure and municipal infrastructure; computers; virtual reality headsets