Sea salt

The video explains the importance of salt in our diet and its primary sources, including mining and seawater. It describes seawater as a solution where salt is dissolved and outlines the industrial process of extracting salt by evaporating seawater in shallow basins using solar heat. The resulting salt crystals are collected, cleaned, and processed for consumption.

Describe the process of extracting salt from seawater as mentioned in the text.

What is done to the salt crystals after they are collected?