What is the project of sodium hydroxide and potassium chloride?

what is the project of sodium hydroxide and potassium chloride? what is the project of sodium hydroxide and potassium chloride? what is the project of sodium hydroxide and potassium chloride? what is the project of sodium hydroxide and potassium chloride? what is the project of sodium hydroxide and potassium chloride? what is the project of sodium hydroxide and potassium chloride?