The Pokémon who can use the move "Brine" are Squirtle, Wartortle, Blastoise, Psyduck, Golduck, Tentacool, Tentacruel, Slowpoke, Slowbro, Slowking, Seel, Dewgong, Shellder, Cloyster, Krabby, Kingler,...
The diagram was complicated and needed clarification. I need further clarification in order to understand this bookJust remember that "clarification" is the noun form of the verb "clarify."
Brine is made into salt which is one of the uses.
Edit : Brine can also be used to separate impurities from organic compounds, when used in organic extractions.