Product use: 1 (Photo Studio) Flash, subsidies, cold light equipment. 2 (traffic) airplane, sailing ships, lighthouses, lights and indicators. 3 (industrial) stroboscopic speed measuring instrument calibration, positioning, vehicle fire equipment and so on. 4 (civilian) alert system, advertising equipment, stage lighting, show lighting, photography, and more.
Science: analytical instrument, measuring instruments, etc. 5 (medicine): diagnostic instruments, experimental apparatus and so on.