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Original	Translation
Weapons of Mass Destruction
CLASSIFICATION OF CHEMICAL WARFARE AGENTS	   

Today, thousands of poisonous substances are known, but only a few are considered suitable for chemical warfare. About 70 different chemicals have been used or stockpiled as CW agents during the 20th century. Today, only a few of these are considered of interest owing to a number of specific demands that must be placed on a substance if it is to be of use as a CW agent.	       ,         : 20-   70          :        ,             :

Chemical warfare agents are classified on the basis of several different physical and chemical properties:	           :

Lethality is a way of classifying CW agents to be either lethal or nonlethal. Lethal agents are designed to cause fatalities, although sublethal doses will cause incapacitation. Nonlethal agents are designed primarily to incapacitate or injure, but can kill in large enough does.	   ,     ,  :      ,      ,       :            ,        :