Functional and economically most important mineral in nutrition of layers
is calcium, primary because of egg production, i.e. forming of the egg shell.
        
             
        
        
        
I believe the water treatment stated above is micron filtration. Micron filtration is a water treatment method where water is filtered through screens that have microscopic holes. The holes are measured in microns and the smaller the hole the more contaminants can be removed.
        
                    
             
        
        
        
Fats are a type of lipid, but the most specific answer is fats. Lipids include fats, waxes, oils