If the mail attendant or secretary receives a letter or parcel, which is suspected to be a bomb or other incendiary device, the letter or the parcel should not be touched.

• 任何人接到威胁电话，都必须尽量从对方获取信息，尤其是详细地描述炸弹威胁的形式。信号通知另外的接线员和附近的安保人员跟踪电话来源。