burner.jpg Clip art courtesy of www.aperfectworld.org
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cell_phone.jpg Clip art courtesy of www.aperfectworld.org
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chemical04.jpg Clip art courtesy of www.aperfectworld.org
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chemist.jpg Clip art courtesy of www.aperfectworld.org
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flask.jpg Clip art courtesy of www.aperfectworld.org
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microscope03.jpg Clip art courtesy of www.aperfectworld.org
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molecule.jpg Clip art courtesy of www.aperfectworld.org
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