All the evils and impurities and necessities of men come from the body.
(b) Impurities may have used up some of the acid which cannot be recovered by charging.
(c) Impurities in the electrolyte will also give it a milky appearance.
They are not acted upon by the electrolyte, or any of the impurities which may be found in the jar.
Impurities of any nature should be removed ...