钞票在人们的手中传来传去,成为传播病菌的祸害。怎么办? 针对这种情况,美国采用了事先给钞票打“预防针”的方法。他们在准备印刷纸币的纸浆里,加入一定量的杀菌消毒剂,并在印刷的油墨里,也加入了杀菌剂。这样,印出来的钞票就有了免疫力,即使被带菌人使用过,病菌也无法在钞票上生存。用这样的钞票,当然就安全放心了。 Banknotes came in people's hands and became the scourge of spreading germs. What to do? In response to this situation, the United States adopted a method of giving “shots” in advance to banknotes. They added a certain amount of disinfectant to the paper pulp they prepared for printing, and added biocides to the printed inks. In this way, printed banknotes have the immunity, even if used by carriers, bacteria can not survive on banknotes. Of course, it is safe and safe to use such banknotes.