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The bus is equipped with hammer. But there are many problems. It is well stolen so nailed to wall. We can’t use it. New hammer is fixed on wall, but It can be used. And it can use easy and small force, because it use elastic. It change the powerful force. This is what's needed for the elderly and children. And it can use stand clear. It’s a long distance of hand and glass. Be pulling in the distance, it will automatically be breaking the glass.
anseong, South Korea