Repertoire

Communication: Repertoire Of Skills

Repertoire aka Collection

Industrial Revolution led to  creation of Modern Warfare 

Modern Warfare: Repertoire Of  Skills

Repertoire Of Chemistry

Chemical Warfare

Haber: Father Of  Chemical Warfare

Repertoire Of Chemical Warfare 

Example: Nerve Agents

Sarin

Russian Upgraded Nerve Agents

Example: Choking Agents 

Chemical Warfare: Persistence Times

Snapshot