Dropping of blue liquid in test tube with glass dropper
Palabras clave
beaker,
blue,
chemical,
chemistry,
clean,
clean water,
diagnostic,
discovery,
dripped,
dropper,
empty,
equipment,
experiment,
expertise,
filtration,
flask,
laboratory,
liquid,
macro,
medicine,
no people,
occupation,
ph,
pipette,
purification,
research,
sample,
science,
solution,
test,
transparent,
treatment,
tube,
ampoule
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