A close-up of a doctor analyzing the efficiency of an urban water filter by comparing pre-filter and post-filter water samples.
Contributor: Tahir AI
ID : 1002060366
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Keywords
paper, health, hand, colours, science, glasses, laboratory, research, chemistry, biology, aquarium, chemical, biotechnology, biochemistry, experiment, exam, alkaline, laboratory, analysis, solution, meter, scientist, tap water, sample, reaction, analysing, examine, engulfed, indicator, measure, test, maintenance, urban areaRelated items
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