Laboratory sign
Schlüsselwörter
signs,
laboratory,
safety,
chemistry,
analysing,
working,
laboratory,
research,
examining,
science,
scientist,
experiment,
chemical,
medicine,
microscope,
work,
chemist,
scientific,
analysis,
flask,
coat,
beaker,
tool,
goggles,
school,
signboard,
pictogram
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