Chocking Agents
Description :  Chlorine gas which affect the respiratory system, fill lungs
                        with water. 
                        Chocking agents are colorless to white vapor or liquid.
                        Odor of cut grass or new mown hay.            
Types :  CG (Phosgene)
              Cl  (Chlorine)
              DP (Diphosgene)
              PFIB (Perfluoroisobutene)