Two chemists working in the lab
Palabras clave
analysing,
chemical,
chemist,
chemistry,
doctor,
laboratory,
laboratory,
research,
scientist,
test,
analysis,
sample,
examining,
health care,
science,
researcher,
scientific,
discovery,
man,
testing,
experimenting,
fluid,
health,
2,
biochemistry,
biotechnology,
studying,
liquid,
water,
bottle,
filtered,
clean,
exam,
assistant,
fresh,
pollution,
quality,
control,
drink,
molecular,
model,
molecular,
discussing,
discussion,
contamination,
pollutant,
contaminated,
toxic,
bottled
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