Pictures from a plant in Bolivia
(for Rotary Club Project in Honduras)

Salt Fluoridation System

Classifier - Sorts salt by size

Mixing Cone - Adds fluoride to salt. (View A)

Mixing Cone - Adds fluoride to salt. (View B)

Oven - Dries salt. (View B)

Source:

http://www.chatsworthdental.com/projects-salt-flouridation-images.htm