Asbestus, Dry ice, Material infectants, Lifesaving facilities, gas engines, Polystyrene, Automatic vehicles, Chlorite, Remote control toys, Magnetic materials, Electronic wheelchairs, etc,.

• 常见的有石棉、干冰、环境污染物、救生设备、装有内燃机的机械设备、聚苯乙烯珠粒料、自带动力的交通工具、二亚硫酸锌、遥控玩具、磁性物质、电动轮椅等。