| http://www.w3.org/ns/prov#value | - This holds especially true for chemicals such as zinc oxide, zinc sulfate and zinc chloride, according to a new global market research report released by IHS (NYSE: IHS), the leading global source of critical information and insight. ???Zinc is an essential element for animal and plant life, and zinc deficiency, particularly in children, has become such a threat to public health that many countrie
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