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Industries / Justice, Public Order & Safety Activities |
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| Table of Contents |
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| Interesting Fact |
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| In the 18th and 19th century, hatmakers used poisionous chemicals including mercury in their work. As result, many developed pathological symptons -- an estimated 10% went insane. Hence the term "mad as a hatter" and Lewis Carroll's character, the Mad Hatter. |
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| Did you know... |
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| You can purchase group licenses to MyPlan.com assessment tests for schools and businesses at steeply discounted prices. |
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