How many colors are in NFPA704?

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Multiple Choice

How many colors are in NFPA704?

Explanation:
NFPA 704 uses a single diamond divided into four colored fields to convey hazards quickly: blue for health, red for flammability, yellow for reactivity, and white for special hazards. Each colored field carries a number (0–4) to show severity in the first three categories, while the white field may include symbols for special hazards. So there are four colors in NFPA704.

NFPA 704 uses a single diamond divided into four colored fields to convey hazards quickly: blue for health, red for flammability, yellow for reactivity, and white for special hazards. Each colored field carries a number (0–4) to show severity in the first three categories, while the white field may include symbols for special hazards. So there are four colors in NFPA704.

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