Colorful Test Tubes Arranged on a Rack.
Schlüsselwörter
test tube,
rack,
science,
laboratory,
experiment,
colourful,
chemistry,
biology,
medicals,
research,
analysis,
liquid,
container,
blue,
green,
yellow,
pink,
display,
equipment,
medical supplies,
laboratory,
sample,
tube,
racked,
illustration,
graphic,
education,
visual,
diagram,
experimentation,
scientific
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