Colorful liquid samples in glass test tubes on white background.
Palabras clave
test,
tube,
glasses,
liquid,
sample,
colours,
purple,
pink,
red,
orange,
yellow,
green,
blue,
light,
white,
background,
laboratory,
science,
experiment,
research,
analysis,
chemistry,
chemical,
solution,
ampoule,
container,
clear,
transparent,
cap,
row,
arrangement,
evenly,
straight,
line,
colourful,
vibrant,
bright,
hue,
shade,
tone,
pigment,
dye,
equipment,
medicals,
scientific,
test tube,
tube,
test tube
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