Salt Production and Processing method iron ore mining. There are three methods used to produce salt, solar, evaporation and rock mining. Solar Evaporation Method. This is the oldest method of salt production. It has been used since salt crystals were first noticed in trapped pools of sea water.
sioned in the Regular Navy in 1921, and was de ignated a naval, aviator 'in 1924,,tHee flight [mining,tt NAS PENSi .OLA. The jet phase 0t engine maintenance :In,1 operation is now being made a part oI the reguill[ gwunJ training program (or Naval. AlI Reservists.