As a preservative. As a seasoning. In religious rituals.
Salt in baking has three uses. It helps preserve the food, helps in flavor and aids in doughs rising.
salt
salt
Glauber's salt treats constipation
Kenya uses salt for meat
Road salt is used for deicing.
table salt and salt licks for cattle food
* washing soda and eating soda are two commonly uses salts and their chemical names are Na2CO3 and NaHCO3
salt (condiment) is one
table salt and salt licks for cattle food
salt bed
Sea salt can be used in cooking for flavoring food. Also, sea salt has usages for cleaning surfaces too. http://www.saltworks.us/salt_info/salt-uses-and-tips.asp