ISl 



ffalt, bromine, and magnesium are 

 prcKcnfli/ being taken from seawater 

 c,t\ (I profltahlc baxix. Oi/xter shells 

 arc culeiiied to produce the lime used 

 to precipitate magnesium from 

 seawater. Huge tanks are used in 

 the process. Shown also are tlic 

 niolt/n magnesium and the east 

 ingots of primary magnesium. 



