scientist protective suit gloves and mask holding vial liquid calling mobile phone user report results |
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navigate by keyword : amid analysis analyzing bacteria biological biology calling chemical chemistry danger ecologist ecology environment environmental equipment expertise flask gloves happy health holding industry infection instrument lab laboratory lake liquid mask measuring medical mobile natur nature outdoors pharmaceutical phone pipe pollution professional protective purifying radiation report research researcher results river sample samples science scientific scientist student suit test tube user vial waste water |
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Scientist in protective suit, gloves and mask, holding a vial of liquid and is calling on mobile phone user to report results of samples from the river, amid the purifying pipe |
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