The country of Iraq covers the region known since ancient times as Mesopotamia, a Greek word meaning land between the rivers.. The fertile valley between the Tigris and Euphrates rivers supported some of the worldâs earliest civilizations.
In Saskatchewan there are two grades of sodium sulphate: the first is a salt cake grade, which is primarily used for wood digestion in the pulp and paper industry; the second is a detergent grade product that is used in detergents, glass, dyes, textiles, tanning, and in the chemical industry.
2 Types Of Salts - Sendha Namak (Rock Salt) and Kala Namak (Black Salt) and Their Health Benefits. Types of Salt. Salt is indispensable to one's health, but an excess of salt or eating the wrong kind of salt also gives rise to health problems.