Dual-use explosives (for, e.g., mining, building activities) are more difficult to control, and government control may also be complicated by the fact that explosives are difficult to trace.
两用爆炸物（如用于采矿和建筑活动的爆炸物）更难控制，而且爆炸物很难跟踪，增加政府管制的难度。