APPLICATION (YM-1-S Smoking) YMI-S is used for training, warning or alert during military maneuvers. This mine can be laid like normal anti- personnel mine which is activated by 7-15 kg force and then will release smoke in 30 seconds. There are four types of this mine in four different colors: red, blue, orange and green marked by their pressure plate color. These mines are used to evaluate the performance of mine fields and army. APPLICATION (YM-1B) YMI-B is a resilient plastic-cased scatterable anti-personnel blast mine fitted with a pressure fuze. YMI-B is provided with an anti-shock device and fitted with an arming knob offset from the center of the base. The knob has two modes: ”A” (armed) and “S” (safe) to block the movement of the pivoting shutter. The mine can be disarmed by unscrewing the detonator from its base.