On the Prevention and Treatment of a Highly Poisonous Substance
There is a highly poisonous substance in the world, marked as "UN 1689 Sodium Cyanide". This is an extremely dangerous substance, which is very strong and poisonous. Touching it, smelling it or taking it by mistake can cause death, so everyone should be careful to prevent it.

In the past, in a chemical place, there was a person who accidentally touched this "UN 1689 Sodium Cyanide". Not long after, he felt chest tightness, shortness of breath, and his face was like soil, and he immediately fainted. When others saw this, they were terrified and quickly sought medical attention. When the doctor arrives, he is in a hurry to save it with a method of detoxification. First, he is injected with a vomiting agent to make the poison come out quickly, and then he is slowly injected with a special antidote. After various treatments, it will be slowed down.

From this point of view, if you want to prevent the harm of "UN 1689 Sodium Cyanide", the first thing is to strictly control it. Where this thing is placed, you should set up special personnel to guard it, build a solid warehouse, add multiple locks and keys, and set up warning signs to indicate its danger, so that everyone can stay away. And all entrances and exits need to be recorded in detail to prevent loss.

Furthermore, if you are engaged in related industries, you must receive professional training. Be familiar with the characteristics of this substance, know its protective methods, and in case of emergencies, be able to calm down and deal with it. According to the established rules, the treatment strategy will be implemented, so as not to panic and make mistakes.

As for the treatment method, the doctor should be well aware of it. Always prepare special antidote drugs, and the medical staff are familiar with the use of methods. Once there is a poisoned person, treat it immediately, and race against time to save life in a critical situation.

In short, "UN 1689 Sodium Cyanide" is poisonous, but if people treat it with caution and treat it with scientific legal prevention, it can reduce its harm and ensure the safety of everyone.