ଛାଞ୍ଚ:NFPA 704 diamond

ଉଇକିପିଡ଼ିଆ‌ରୁ
NFPA 704 four-colored diamondFlammability (red): no hazard codeHealth (blue): no hazard codeReactivity (yellow): no hazard codeSpecial hazards (white): no code