Practical Household Uses of Salt

We cannot do without salt every living creature needs the essential sodium in salt. Historically, salt has been the cause of wars, uprising and revolutions. It has been used as money, and has been a powerful force in the economic rise and fall of civilizations. This book explores the history and uses of salt, proving that it is much more than just a white granular substance you sprinkle from a salt cellar on to your food. In Roman times, it was so highly valued that soldiers were paid in salt which is where we get the word 'salary' from. Salt also has many important industrial uses, such as pr…

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