Close-up of a scientist examining a test tube with a blue liquid
Palabras clave
scientist,
laboratory,
labcoat,
test,
blue,
liquid,
tube,
glasses,
chemical,
experiment,
research,
science,
beaker,
goggles,
eye,
beard,
face,
hand,
gloved,
glove,
glassware,
concentrated,
examine,
holding,
safety,
professional,
careful,
observation
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