A close-up of a doctor handling multiple water samples from an urban filtration system, preparing them for analysis
Palabras clave
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 area