在邮局收寄包裹的地方，通常都可以看到一幅醒目的招贴画贴在墙壁上，提示人们哪些东西是不准许邮寄的，其中第一条就是：具有爆炸性、易燃性、腐蚀性、毒害性、放射性等化学危险品，就是火柴、打火机气体，甚至染发的药水等日常生活用品也都在禁止之列。每一个邮包的寄、收双 At the post office to receive parcels, usually you can see a striking poster posted on the wall, suggesting that people are not allowed to mail, of which the first is: with explosive, flammable, corrosive, poisonous Sexual, radioactive and other chemical dangerous goods, that is, matches, lighters gas, and even daily necessities such as hair dye syrup are also prohibited. Send each mail parcel, received double