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1439R-6116
Test tubes
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1439R-6101
Agar jelly
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1439R-6100
Flask
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1439R-6055
Test tubes
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1439R-6019
Test tubes
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1439R-6048
Petri dishes
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1439R-6096
Petri dish
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1439R-6010
Test tubes
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1439R-6086
Petri dish
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255-38450
College students with their professors in a botanical laboratory, King's College, Durham University, England
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1439R-6089
Chemistry
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1439R-7011
Water science
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1439R-6084
Petri dish
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1527R-1078637
Scientist With a Clipboard Observing Plants in a Greenhouse
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