ForewordIntroductionScopeNormative referencesTerms and definitionsDevices for separatingSymbols of a basic natureApplication rules for the symbols in Symbols giving supplementary informationApplication rules for the symbols in Application examplesDevices for purification by conversionSymbol of a basic natureApplication rules for the symbol in Symbol giving supplementary informationApplication rule for the symbol in Application exampleDevices for mixingSymbols of a basic natureApplication rule for the symbols in Symbol giving supplementary informationApplication rules for the symbol in Application examplesAir conditioners for pneumatic systemsSymbol of basic natureApplication rule for the symbol in Symbol giving supplementary informationApplication rule for the symbol in Application example