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Visit the Zoo
 Fine Arts Work Projects Administration
Visit the Zoo
 Fine Arts Work Projects Administration
Zoo
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Visit the Zoo
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Visit the Zoo
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Take Out A Book On Astronomy
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Read A Book on Alaska
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Read A Book On Canada
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Take A Book On Music
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Use Your School Library
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Take A Book on Nature
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Books Will Help You Solve Many of Your Technical Problems: Know Your Job
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High Tension: Beware
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Protect Your Hands! You Work With Them
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Failure Here May Mean Death Below! Safety First
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Failure Here May Mean Death Below! Safety First
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Work With Care
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Don't Take Risks
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Work With Care
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Use Caution
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