Answer :
Final answer:
Hazard signs with yellow and black diamond-shaped symbols and black letters provide information about the dangers associated with specific substances.
Explanation:
The signs that have yellow and black diamond-shaped symbols with black letters are known as hazard signs. These signs are commonly used in workplaces and laboratories to provide information about the dangers associated with specific substances. The hazard diamond includes different sections that represent fire hazard, health hazard, reactivity hazard, and special hazards such as being an oxidizer or radioactive. Each hazard is rated on a scale from 0 to 4, with 0 being no hazard and 4 being extremely hazardous.
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