The cartridge-type training round consists of a projectile and a cartridge shell into which the projectile is inserted. In the method, first, an amorphous silicon film to which an impurity for suppressing crystallization, such as nitrogen, oxygen, or carbon, is formed on a crystalline silicon film used as an active layer. A device for detecting the condition of turf grass is also disclosed. The control is preferably included as part of the turn signal mechanism of the vehicle. The portion covers each of the fins in the array.