| skos:altLabel | - Biohazard
- trefoil
- Hazard symbol#Ionizing radiation trefoil warning symbol
- Biological hazard trefoil
- Hazard symbol#Biohazard sign
- Hazard symbol#Biohazard symbol
- Hazard symbol#Biohazard_sign
- Hazard symbol#Chemical symbols
- Hazard symbol#ISO 21482
- Hazard symbol#Ionizing radiation symbol
- Hazard symbol#Radioactive sign
- Hazard symbol#Radioactive_sign
- Hazard symbol#Radioactive_trefoil_symbol
- Hazard symbols
- Hazard_symbol#Radioactive_sign
- Hazard_symbol#Radioactive_trefoil_symbol
- Ionizing radiation hazard trefoil
- biohazard symbol
- fallout symbol
- hazard signs
- hazard symbol
- hazard symbol#Radioactive sign
- its associated symbol
- radiation warning
- safety symbols
- safety warning
- warning symbols
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