Laboratory sign lab coat and safety glasses required beyond this point
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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