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<a href="/cliparts/T/y/S/v/O/c/green-test-tubes-th.png"><img src="/cliparts/T/y/S/v/O/c/green-test-tubes-th.png" alt='Green Test Tubes clip art'/></a>
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<a href="/cliparts/T/y/S/v/O/c/green-test-tubes-md.png"><img src="/cliparts/T/y/S/v/O/c/green-test-tubes-md.png" alt='Green Test Tubes clip art'/></a>
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<a href="/cliparts/T/y/S/v/O/c/green-test-tubes-hi.png"><img src="/cliparts/T/y/S/v/O/c/green-test-tubes-hi.png" alt='Green Test Tubes clip art'/></a>
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