Three empty glass flasks, two out of focus in the background, stand on a white surface. The flasks are clear and have a round bottom
Schlüsselwörter
flask,
erlenmeyer,
glasses,
black,
round,
bottom,
surface,
white,
background,
transparent,
hue,
chemistry,
science,
laboratory,
experiment,
research,
conical,
beaker,
container,
liquid,
substance,
chemical,
solution,
sample,
analysis,
experimentation,
scientific,
study,
laboratory,
glassware,
equipment,
apparatus,
material,
fluid,
dark,
colours,
shade,
tone,
light,
shadow,
medicine,
bottle,
test,
tube,
isolated,
medicals,
biology
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