Scientist testing water sample with probe in lab, clear vials in rack, soft lighting
Schlüsselwörter
research,
science,
laboratory,
analysis,
experiment,
water,
liquid,
test,
probe,
glassware,
ampoule,
sample,
measurement,
ph,
chemistry,
scientist,
hand,
closeup,
light,
transparent,
refraction,
technology,
medicals,
sterile,
clean,
environment,
purity,
clarity,
fluid,
laboratory,
beaker,
solution,
precision,
health care,
hygiene,
testing,
evaluation,
measuring,
observation
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