It is a category to introduce sound effects and SE material expressed by onomatopoeia etc. of "Bushoo". In this category, there are sound effects that are expressed as "busses" such as the exhaust heat of machinery, the sound of spraying sprays, and characteristic explosions. It can be used to give a profound feeling to the movement of the robot or to spray something. If you are a program maker, a game maker, or an app developer, you can search for "Bushoo" sound effects from this category.