Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signaling, checking in the nature of supervising, life-saving, and teaching apparatus and instruments, namely, cameras, optical scanners, lidar scanners and lidar rangefinders, radar scanners and radar rangefinders, sonar scanners and sonar rangefinders; apparatus and instruments for conducting, switching, transforming, accumulating, regulating or controlling electricity; apparatus for recording, tra...