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lesson 1, test exercise. Introduction to water fluoridation
lesson 2-A, test exercise. Adding fluoride to the water, fluoridation systems that include a saturator
lesson 3, test exercise. Testing the fluoride level in a water supply
lesson 4, test exercise. Maintaining the equipment in a fluoridation system
lesson 5, test exercise. Obtaining the proper amount of fluoride for your fluoridation system.

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