To recognize the smell of fragrances with the principles in three ways: first, by using the saphapraye method and durability of this system will be able to recognize the smell in a 3 State is.
To distinguish the scent of incense are three principle ways: the first way. And the use of volatile conditions Persistence and smell can be classified in this system is the third condition.
In the classification of the fragrance of incense are three principles ways is the first method by using the system of evaporation. And the method can classify the smell in this system is 3 state.