colorful science test tubes filled with liquid chemicals lab rack isolated white background |
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| navigate by keyword : test tube liquid chemical rack laboratory equipment glassware vial sample solution colorful scientific medical clinical glass transparent simple flat design testing analyzing researching experimenting isolated standing multicolor red blue yellow green purple gray white background analytical educational science lab school icon minimalist graphic row eye level education research chemistry biology healthcare |
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| A row of glass test tubes filled with colorful liquids in a gray laboratory rack against a clean white background in a simple flat design style for science and education concepts |
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