A front view of a doctor discussing the results of water filtration tests with colleagues, reviewing data on a lab computer.
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