・Transportation (for cars, aircraft, railways, etc.)
・Environment (urban environment, environmental pollution, desert, windbreak forest, topography)
・Weather (gust, storm, typhoon, tornado, rainfall, snowfall, etc.)
・Structures (bridges, high-rise buildings, electric wires, windmills, marine structures, etc.)
・Sports (ski, golf, sky diving etc)
・For education and research in each field
・Other (such as machine elements)