A bottle with a biohazard symbol warning label, containing an unknown liquid
Schlüsselwörter
biohazard,
toxic,
hazardous,
material,
liquid,
waste,
chemical,
spill,
environmental,
pollution,
contamination,
health,
risk,
safety,
signs,
warning,
label,
biochemistry,
laboratory,
equipment,
research,
tool,
science,
experiment
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