Therefore, don't say that nano is still in the laboratory, even if it enters daily necessities in the future (especially things involving drinking water and other entrances), it can't be used indiscriminately. At this time, there must be relevant laws and regulations for management constraints.
Nowadays, commercial swindlers adopt any new concepts (such as "cloning", "gene" and "nano"); Where is it produced when it is remote and mysterious (for example, Chinese medicine is produced in places such as "Tibetan medicine" and "Miao medicine").
Good people should not only be vigilant, but also be smarter than liars.